$160,000 mortgage at 3%

30-year fixed at 3%. At this week's 7.03% average the payment would be $1,067.71 (−$393.14 a month at 3%).

Principal and interest

$674.57 a month

Total interest over 30 years
$82,844
Total loan payments
$242,844
Interest per dollar of loan payments
34¢

Source: Freddie Mac Primary Mortgage Market Survey, week of September 24, 2026. An average, not an offer.

Change the numbers

Payment on $160,000 at nearby rates

30-year fixed; difference compared with this week's average
RateMonthly paymentDifferenceTotal interest
3.00% this page $674.57−$393.14$82,844
3.25% $696.33−$371.38$90,679
3.50% $718.47−$349.24$98,650
3.75% $740.98−$326.72$106,755
4.00% $763.86−$303.85$114,991
7.03% this week's average $1,067.71$0.00$224,375

Other terms at 3%

TermRateMonthly paymentTotal interestTotal paid
15-year fixed 3.00%$1,104.93$38,888$198,888
20-year fixed 3.00%$887.36$52,965$212,965
30-year fixed 3.00%$674.57$82,844$242,844

With taxes

Assumes the $160,000 loan is 80% of a $200,000 purchase (20% down, so no PMI).
Principal and interest$674.57
Property tax 0.78% a year, estimate$130.00
Homeowners insurancenot included
Monthly subtotal before insurance/HOA$804.57

Estimate: the median of the 32 state rates we have sourced. Insurance is left out because we have no sourced average for this estimate yet; add your own quote.

Enter your insurance, property tax, HOA and PMI quotes · Estimate conventional PMI request and termination milestones

Income needed

To keep the $804.57 monthly housing cost at 28% of gross income, you'd need about $34,481 a year. Lenders also cap total debt payments near 36% of income, so car and student loan payments reduce what you can borrow.

Amortization schedule

Create a dated schedule with extra payments

Payment totals include regular principal, extra principal and interest. Annual lump sums are part of the Extra column. CSV separates monthly and annual extras. Calculations keep full precision; displayed rows and totals are rounded independently.

Principal repaid, including any extra principal payment, first exceeds interest at payment 84. The chart below compares totals for each loan year.

Principal and interest paid each year on a $160,000 mortgageEach column is one loan year, split into principal repaid and interest paid. Annual principal repaid, including extra payments, first exceeds annual interest in year 8.$0$2k$4k$6k$8k$10kYear 1: principal $3,340, interest $4,754, balance after $156,660Year 1Year 2: principal $3,442, interest $4,653, balance after $153,217Year 3: principal $3,547, interest $4,548, balance after $149,671Year 4: principal $3,655, interest $4,440, balance after $146,016Year 5: principal $3,766, interest $4,329, balance after $142,2505Year 6: principal $3,880, interest $4,214, balance after $138,370Year 7: principal $3,998, interest $4,096, balance after $134,371Year 8: principal $4,120, interest $3,975, balance after $130,251Year 9: principal $4,245, interest $3,849, balance after $126,006Year 10: principal $4,374, interest $3,720, balance after $121,63210Year 11: principal $4,507, interest $3,587, balance after $117,124Year 12: principal $4,645, interest $3,450, balance after $112,480Year 13: principal $4,786, interest $3,309, balance after $107,694Year 14: principal $4,931, interest $3,163, balance after $102,762Year 15: principal $5,081, interest $3,013, balance after $97,68115Year 16: principal $5,236, interest $2,859, balance after $92,445Year 17: principal $5,395, interest $2,700, balance after $87,050Year 18: principal $5,559, interest $2,535, balance after $81,490Year 19: principal $5,728, interest $2,366, balance after $75,762Year 20: principal $5,903, interest $2,192, balance after $69,85920Year 21: principal $6,082, interest $2,013, balance after $63,777Year 22: principal $6,267, interest $1,828, balance after $57,510Year 23: principal $6,458, interest $1,637, balance after $51,052Year 24: principal $6,654, interest $1,441, balance after $44,398Year 25: principal $6,857, interest $1,238, balance after $37,54125Year 26: principal $7,065, interest $1,030, balance after $30,476Year 27: principal $7,280, interest $815, balance after $23,196Year 28: principal $7,502, interest $593, balance after $15,694Year 29: principal $7,730, interest $365, balance after $7,965Year 30: principal $7,965, interest $130, balance after $030

First 12 months

Amortization schedule for a $160,000 mortgage at 3.00% over 30 years, months 1–12; first payment $674.57. The final payment may be smaller.
PaymentTotal paymentRegular principalExtraInterestBalance
1$674.57$274.57$0.00$400.00$159,725.43
2$674.57$275.25$0.00$399.31$159,450.18
3$674.57$275.94$0.00$398.63$159,174.24
4$674.57$276.63$0.00$397.94$158,897.61
5$674.57$277.32$0.00$397.24$158,620.29
6$674.57$278.02$0.00$396.55$158,342.27
7$674.57$278.71$0.00$395.86$158,063.56
8$674.57$279.41$0.00$395.16$157,784.15
9$674.57$280.11$0.00$394.46$157,504.05
10$674.57$280.81$0.00$393.76$157,223.24
11$674.57$281.51$0.00$393.06$156,941.73
12$674.57$282.21$0.00$392.35$156,659.52

Year by year

Totals for each loan year
Loan yearTotal paidPrincipal incl. extrasInterestBalance at year end
1$8,095$3,340$4,754$156,660
2$8,095$3,442$4,653$153,217
3$8,095$3,547$4,548$149,671
4$8,095$3,655$4,440$146,016
5$8,095$3,766$4,329$142,250
6$8,095$3,880$4,214$138,370
7$8,095$3,998$4,096$134,371
8$8,095$4,120$3,975$130,251
9$8,095$4,245$3,849$126,006
10$8,095$4,374$3,720$121,632
11$8,095$4,507$3,587$117,124
12$8,095$4,645$3,450$112,480
13$8,095$4,786$3,309$107,694
14$8,095$4,931$3,163$102,762
15$8,095$5,081$3,013$97,681
16$8,095$5,236$2,859$92,445
17$8,095$5,395$2,700$87,050
18$8,095$5,559$2,535$81,490
19$8,095$5,728$2,366$75,762
20$8,095$5,903$2,192$69,859
21$8,095$6,082$2,013$63,777
22$8,095$6,267$1,828$57,510
23$8,095$6,458$1,637$51,052
24$8,095$6,654$1,441$44,398
25$8,095$6,857$1,238$37,541
26$8,095$7,065$1,030$30,476
27$8,095$7,280$815$23,196
28$8,095$7,502$593$15,694
29$8,095$7,730$365$7,965
30$8,095$7,965$130$0
Total$242,844$160,000$82,844$0
Balance remaining on a $160,000 mortgage over 30 yearsThe loan balance left at the end of each year, from $160,000 down to $0.$0$50k$100k$150k$200kStartYear 15Year 30Balance, Start: $160kBalance, Year 1: $156.7kBalance, Year 2: $153.2kBalance, Year 3: $149.7kBalance, Year 4: $146kBalance, Year 5: $142.3kBalance, Year 6: $138.4kBalance, Year 7: $134.4kBalance, Year 8: $130.3kBalance, Year 9: $126kBalance, Year 10: $121.6kBalance, Year 11: $117.1kBalance, Year 12: $112.5kBalance, Year 13: $107.7kBalance, Year 14: $102.8kBalance, Year 15: $97.7kBalance, Year 16: $92.4kBalance, Year 17: $87kBalance, Year 18: $81.5kBalance, Year 19: $75.8kBalance, Year 20: $69.9kBalance, Year 21: $63.8kBalance, Year 22: $57.5kBalance, Year 23: $51.1kBalance, Year 24: $44.4kBalance, Year 25: $37.5kBalance, Year 26: $30.5kBalance, Year 27: $23.2kBalance, Year 28: $15.7kBalance, Year 29: $8kBalance, Year 30: $0
Full schedule, all 360 payments
Amortization schedule for a $160,000 mortgage at 3.00% over 30 years, every payment
PaymentTotal paymentRegular principalExtraInterestBalance
1674.57274.570.00400.00159,725.43
2674.57275.250.00399.31159,450.18
3674.57275.940.00398.63159,174.24
4674.57276.630.00397.94158,897.61
5674.57277.320.00397.24158,620.29
6674.57278.020.00396.55158,342.27
7674.57278.710.00395.86158,063.56
8674.57279.410.00395.16157,784.15
9674.57280.110.00394.46157,504.05
10674.57280.810.00393.76157,223.24
11674.57281.510.00393.06156,941.73
12674.57282.210.00392.35156,659.52
13674.57282.920.00391.65156,376.60
14674.57283.620.00390.94156,092.98
15674.57284.330.00390.23155,808.64
16674.57285.040.00389.52155,523.60
17674.57285.760.00388.81155,237.84
18674.57286.470.00388.09154,951.37
19674.57287.190.00387.38154,664.18
20674.57287.910.00386.66154,376.27
21674.57288.630.00385.94154,087.65
22674.57289.350.00385.22153,798.30
23674.57290.070.00384.50153,508.23
24674.57290.800.00383.77153,217.43
25674.57291.520.00383.04152,925.91
26674.57292.250.00382.31152,633.66
27674.57292.980.00381.58152,340.68
28674.57293.710.00380.85152,046.96
29674.57294.450.00380.12151,752.51
30674.57295.190.00379.38151,457.33
31674.57295.920.00378.64151,161.41
32674.57296.660.00377.90150,864.74
33674.57297.400.00377.16150,567.34
34674.57298.150.00376.42150,269.19
35674.57298.890.00375.67149,970.30
36674.57299.640.00374.93149,670.66
37674.57300.390.00374.18149,370.27
38674.57301.140.00373.43149,069.13
39674.57301.890.00372.67148,767.23
40674.57302.650.00371.92148,464.58
41674.57303.400.00371.16148,161.18
42674.57304.160.00370.40147,857.02
43674.57304.920.00369.64147,552.09
44674.57305.690.00368.88147,246.40
45674.57306.450.00368.12146,939.95
46674.57307.220.00367.35146,632.74
47674.57307.980.00366.58146,324.75
48674.57308.750.00365.81146,016.00
49674.57309.530.00365.04145,706.47
50674.57310.300.00364.27145,396.17
51674.57311.080.00363.49145,085.10
52674.57311.850.00362.71144,773.24
53674.57312.630.00361.93144,460.61
54674.57313.410.00361.15144,147.19
55674.57314.200.00360.37143,833.00
56674.57314.980.00359.58143,518.01
57674.57315.770.00358.80143,202.24
58674.57316.560.00358.01142,885.68
59674.57317.350.00357.21142,568.33
60674.57318.150.00356.42142,250.18
61674.57318.940.00355.63141,931.24
62674.57319.740.00354.83141,611.50
63674.57320.540.00354.03141,290.96
64674.57321.340.00353.23140,969.63
65674.57322.140.00352.42140,647.48
66674.57322.950.00351.62140,324.54
67674.57323.760.00350.81140,000.78
68674.57324.560.00350.00139,676.22
69674.57325.380.00349.19139,350.84
70674.57326.190.00348.38139,024.65
71674.57327.000.00347.56138,697.65
72674.57327.820.00346.74138,369.82
73674.57328.640.00345.92138,041.18
74674.57329.460.00345.10137,711.72
75674.57330.290.00344.28137,381.43
76674.57331.110.00343.45137,050.32
77674.57331.940.00342.63136,718.38
78674.57332.770.00341.80136,385.61
79674.57333.600.00340.96136,052.00
80674.57334.440.00340.13135,717.57
81674.57335.270.00339.29135,382.30
82674.57336.110.00338.46135,046.18
83674.57336.950.00337.62134,709.23
84674.57337.790.00336.77134,371.44
85674.57338.640.00335.93134,032.80
86674.57339.480.00335.08133,693.32
87674.57340.330.00334.23133,352.98
88674.57341.180.00333.38133,011.80
89674.57342.040.00332.53132,669.76
90674.57342.890.00331.67132,326.87
91674.57343.750.00330.82131,983.12
92674.57344.610.00329.96131,638.51
93674.57345.470.00329.10131,293.04
94674.57346.330.00328.23130,946.71
95674.57347.200.00327.37130,599.51
96674.57348.070.00326.50130,251.44
97674.57348.940.00325.63129,902.50
98674.57349.810.00324.76129,552.69
99674.57350.680.00323.88129,202.01
100674.57351.560.00323.01128,850.45
101674.57352.440.00322.13128,498.01
102674.57353.320.00321.25128,144.69
103674.57354.200.00320.36127,790.48
104674.57355.090.00319.48127,435.39
105674.57355.980.00318.59127,079.41
106674.57356.870.00317.70126,722.55
107674.57357.760.00316.81126,364.79
108674.57358.650.00315.91126,006.13
109674.57359.550.00315.02125,646.58
110674.57360.450.00314.12125,286.13
111674.57361.350.00313.22124,924.78
112674.57362.250.00312.31124,562.52
113674.57363.160.00311.41124,199.36
114674.57364.070.00310.50123,835.30
115674.57364.980.00309.59123,470.32
116674.57365.890.00308.68123,104.43
117674.57366.810.00307.76122,737.62
118674.57367.720.00306.84122,369.90
119674.57368.640.00305.92122,001.26
120674.57369.560.00305.00121,631.69
121674.57370.490.00304.08121,261.21
122674.57371.410.00303.15120,889.79
123674.57372.340.00302.22120,517.45
124674.57373.270.00301.29120,144.18
125674.57374.210.00300.36119,769.97
126674.57375.140.00299.42119,394.83
127674.57376.080.00298.49119,018.75
128674.57377.020.00297.55118,641.73
129674.57377.960.00296.60118,263.77
130674.57378.910.00295.66117,884.86
131674.57379.850.00294.71117,505.01
132674.57380.800.00293.76117,124.20
133674.57381.760.00292.81116,742.45
134674.57382.710.00291.86116,359.74
135674.57383.670.00290.90115,976.07
136674.57384.630.00289.94115,591.45
137674.57385.590.00288.98115,205.86
138674.57386.550.00288.01114,819.31
139674.57387.520.00287.05114,431.79
140674.57388.490.00286.08114,043.30
141674.57389.460.00285.11113,653.84
142674.57390.430.00284.13113,263.41
143674.57391.410.00283.16112,872.00
144674.57392.390.00282.18112,479.62
145674.57393.370.00281.20112,086.25
146674.57394.350.00280.22111,691.90
147674.57395.340.00279.23111,296.56
148674.57396.330.00278.24110,900.24
149674.57397.320.00277.25110,502.92
150674.57398.310.00276.26110,104.61
151674.57399.300.00275.26109,705.31
152674.57400.300.00274.26109,305.00
153674.57401.300.00273.26108,903.70
154674.57402.310.00272.26108,501.39
155674.57403.310.00271.25108,098.08
156674.57404.320.00270.25107,693.76
157674.57405.330.00269.23107,288.43
158674.57406.350.00268.22106,882.08
159674.57407.360.00267.21106,474.72
160674.57408.380.00266.19106,066.34
161674.57409.400.00265.17105,656.94
162674.57410.420.00264.14105,246.51
163674.57411.450.00263.12104,835.06
164674.57412.480.00262.09104,422.59
165674.57413.510.00261.06104,009.08
166674.57414.540.00260.02103,594.53
167674.57415.580.00258.99103,178.95
168674.57416.620.00257.95102,762.33
169674.57417.660.00256.91102,344.67
170674.57418.700.00255.86101,925.97
171674.57419.750.00254.81101,506.22
172674.57420.800.00253.77101,085.41
173674.57421.850.00252.71100,663.56
174674.57422.910.00251.66100,240.65
175674.57423.960.00250.6099,816.69
176674.57425.020.00249.5499,391.66
177674.57426.090.00248.4898,965.58
178674.57427.150.00247.4198,538.42
179674.57428.220.00246.3598,110.20
180674.57429.290.00245.2897,680.91
181674.57430.360.00244.2097,250.55
182674.57431.440.00243.1396,819.11
183674.57432.520.00242.0596,386.59
184674.57433.600.00240.9795,952.99
185674.57434.680.00239.8895,518.31
186674.57435.770.00238.8095,082.54
187674.57436.860.00237.7194,645.68
188674.57437.950.00236.6194,207.72
189674.57439.050.00235.5293,768.68
190674.57440.140.00234.4293,328.53
191674.57441.250.00233.3292,887.29
192674.57442.350.00232.2292,444.94
193674.57443.450.00231.1192,001.48
194674.57444.560.00230.0091,556.92
195674.57445.670.00228.8991,111.25
196674.57446.790.00227.7890,664.46
197674.57447.910.00226.6690,216.55
198674.57449.030.00225.5489,767.53
199674.57450.150.00224.4289,317.38
200674.57451.270.00223.2988,866.11
201674.57452.400.00222.1788,413.71
202674.57453.530.00221.0387,960.17
203674.57454.670.00219.9087,505.51
204674.57455.800.00218.7687,049.71
205674.57456.940.00217.6286,592.76
206674.57458.080.00216.4886,134.68
207674.57459.230.00215.3485,675.45
208674.57460.380.00214.1985,215.07
209674.57461.530.00213.0484,753.54
210674.57462.680.00211.8884,290.86
211674.57463.840.00210.7383,827.02
212674.57465.000.00209.5783,362.02
213674.57466.160.00208.4182,895.86
214674.57467.330.00207.2482,428.53
215674.57468.500.00206.0781,960.04
216674.57469.670.00204.9081,490.37
217674.57470.840.00203.7381,019.53
218674.57472.020.00202.5580,547.51
219674.57473.200.00201.3780,074.32
220674.57474.380.00200.1979,599.94
221674.57475.570.00199.0079,124.37
222674.57476.760.00197.8178,647.61
223674.57477.950.00196.6278,169.67
224674.57479.140.00195.4277,690.52
225674.57480.340.00194.2377,210.18
226674.57481.540.00193.0376,728.64
227674.57482.740.00191.8276,245.90
228674.57483.950.00190.6175,761.95
229674.57485.160.00189.4075,276.78
230674.57486.370.00188.1974,790.41
231674.57487.590.00186.9874,302.82
232674.57488.810.00185.7673,814.01
233674.57490.030.00184.5473,323.98
234674.57491.260.00183.3172,832.72
235674.57492.480.00182.0872,340.24
236674.57493.720.00180.8571,846.52
237674.57494.950.00179.6271,351.57
238674.57496.190.00178.3870,855.38
239674.57497.430.00177.1470,357.96
240674.57498.670.00175.8969,859.28
241674.57499.920.00174.6569,359.37
242674.57501.170.00173.4068,858.20
243674.57502.420.00172.1568,355.78
244674.57503.680.00170.8967,852.10
245674.57504.940.00169.6367,347.16
246674.57506.200.00168.3766,840.97
247674.57507.460.00167.1066,333.50
248674.57508.730.00165.8365,824.77
249674.57510.000.00164.5665,314.76
250674.57511.280.00163.2964,803.48
251674.57512.560.00162.0164,290.93
252674.57513.840.00160.7363,777.09
253674.57515.120.00159.4463,261.96
254674.57516.410.00158.1562,745.55
255674.57517.700.00156.8662,227.85
256674.57519.000.00155.5761,708.85
257674.57520.290.00154.2761,188.56
258674.57521.600.00152.9760,666.96
259674.57522.900.00151.6760,144.06
260674.57524.210.00150.3659,619.86
261674.57525.520.00149.0559,094.34
262674.57526.830.00147.7458,567.51
263674.57528.150.00146.4258,039.36
264674.57529.470.00145.1057,509.90
265674.57530.790.00143.7756,979.10
266674.57532.120.00142.4556,446.98
267674.57533.450.00141.1255,913.54
268674.57534.780.00139.7855,378.75
269674.57536.120.00138.4554,842.63
270674.57537.460.00137.1154,305.17
271674.57538.800.00135.7653,766.37
272674.57540.150.00134.4253,226.22
273674.57541.500.00133.0752,684.72
274674.57542.850.00131.7152,141.86
275674.57544.210.00130.3551,597.65
276674.57545.570.00128.9951,052.08
277674.57546.940.00127.6350,505.14
278674.57548.300.00126.2649,956.84
279674.57549.670.00124.8949,407.17
280674.57551.050.00123.5248,856.12
281674.57552.430.00122.1448,303.69
282674.57553.810.00120.7647,749.88
283674.57555.190.00119.3747,194.69
284674.57556.580.00117.9946,638.11
285674.57557.970.00116.6046,080.14
286674.57559.370.00115.2045,520.78
287674.57560.760.00113.8044,960.01
288674.57562.170.00112.4044,397.84
289674.57563.570.00110.9943,834.27
290674.57564.980.00109.5943,269.29
291674.57566.390.00108.1742,702.90
292674.57567.810.00106.7642,135.09
293674.57569.230.00105.3441,565.86
294674.57570.650.00103.9140,995.21
295674.57572.080.00102.4940,423.13
296674.57573.510.00101.0639,849.62
297674.57574.940.0099.6239,274.68
298674.57576.380.0098.1938,698.30
299674.57577.820.0096.7538,120.48
300674.57579.270.0095.3037,541.21
301674.57580.710.0093.8536,960.50
302674.57582.170.0092.4036,378.33
303674.57583.620.0090.9535,794.71
304674.57585.080.0089.4935,209.63
305674.57586.540.0088.0234,623.09
306674.57588.010.0086.5634,035.08
307674.57589.480.0085.0933,445.60
308674.57590.950.0083.6132,854.65
309674.57592.430.0082.1432,262.22
310674.57593.910.0080.6631,668.31
311674.57595.400.0079.1731,072.92
312674.57596.880.0077.6830,476.03
313674.57598.380.0076.1929,877.66
314674.57599.870.0074.6929,277.78
315674.57601.370.0073.1928,676.41
316674.57602.880.0071.6928,073.54
317674.57604.380.0070.1827,469.15
318674.57605.890.0068.6726,863.26
319674.57607.410.0067.1626,255.85
320674.57608.930.0065.6425,646.92
321674.57610.450.0064.1225,036.48
322674.57611.980.0062.5924,424.50
323674.57613.510.0061.0623,810.99
324674.57615.040.0059.5323,195.96
325674.57616.580.0057.9922,579.38
326674.57618.120.0056.4521,961.26
327674.57619.660.0054.9021,341.60
328674.57621.210.0053.3520,720.39
329674.57622.770.0051.8020,097.62
330674.57624.320.0050.2419,473.30
331674.57625.880.0048.6818,847.41
332674.57627.450.0047.1218,219.97
333674.57629.020.0045.5517,590.95
334674.57630.590.0043.9816,960.36
335674.57632.170.0042.4016,328.20
336674.57633.750.0040.8215,694.45
337674.57635.330.0039.2415,059.12
338674.57636.920.0037.6514,422.20
339674.57638.510.0036.0613,783.69
340674.57640.110.0034.4613,143.58
341674.57641.710.0032.8612,501.87
342674.57643.310.0031.2511,858.56
343674.57644.920.0029.6511,213.64
344674.57646.530.0028.0310,567.11
345674.57648.150.0026.429,918.96
346674.57649.770.0024.809,269.19
347674.57651.390.0023.178,617.80
348674.57653.020.0021.547,964.78
349674.57654.650.0019.917,310.12
350674.57656.290.0018.286,653.83
351674.57657.930.0016.635,995.90
352674.57659.580.0014.995,336.32
353674.57661.230.0013.344,675.10
354674.57662.880.0011.694,012.22
355674.57664.540.0010.033,347.68
356674.57666.200.008.372,681.49
357674.57667.860.006.702,013.62
358674.57669.530.005.031,344.09
359674.57671.210.003.36672.88
360674.57672.880.001.680.00

Compare a refinance with your remaining loan · Compare two rate-and-points quotes

Questions

How much is a $160,000 mortgage per month?

At 3.00%, a 30-year $160,000 mortgage costs $674.57 a month in principal and interest. Property tax and insurance add about $130.00 a month on a $200,000 home, for about $804.57 in total.

How much income do I need for a $160,000 mortgage?

About $34,481 a year, if housing costs ($804.57 a month including estimated tax) stay at 28% of gross income. Other debts lower what lenders will approve under the 36% total-debt guideline.

How much interest will I pay on a $160,000 mortgage?

$82,844 over 30 years at 3.00%. A 15-year loan at 3.00% cuts that to $38,888, but the payment rises to $1,104.93.

What is the payment on a $160,000 mortgage at 2%?

$591.39 a month over 30 years, −$83.18 compared with 3.00%. Total interest would be $52,901.

How much faster is a $160,000 mortgage paid off with $100 extra a month?

Adding $100 to every payment pays the loan off in 24 years 3 months instead of 30 years and saves about $17,463 in interest at 3.00%.

Is this rate an offer?

No. 7.03% is the Freddie Mac weekly average for 30-year fixed loans with about 20% down and strong credit. Lenders price each borrower individually; your quote can be higher or lower.

Sources

Page calculations or content last changed September 27, 2026. Observation and retrieval dates are listed per source above. How we calculate.