Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and METOP-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/23/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (METOP-C) Time (METOP-C) Lat,Lon (METOP-C) SZA (METOP-C ) Distance(km) Time Diff (sec)
1 10/30/2025 20:50:24 -77.84, 50.70 88.07 10/30/2025 20:51:28 -77.81, 54.78 87.94 95.96 64
2 10/30/2025 21:41:04 77.65,-141.04 91.79 10/30/2025 21:42:13 77.61,-138.85 91.84 52.57 69
3 10/30/2025 22:31:45 -77.50, 27.03 88.33 10/30/2025 22:32:58 -77.46, 27.79 88.33 18.80 73
4 10/30/2025 23:22:27 77.39,-165.14 91.60 10/30/2025 23:23:40 77.38,-165.23 91.59 2.75 73
5 10/31/2025 00:13:12 -77.40, 2.13 88.39 10/31/2025 00:14:21 -77.40, 2.19 88.38 1.28 69
6 10/31/2025 01:03:56 77.38, 169.57 91.61 10/31/2025 01:05:01 77.40, 169.54 91.65 3.22 65
7 10/31/2025 01:54:41 -77.38, -23.16 88.38 10/31/2025 01:55:43 -77.38, -23.23 88.37 1.66 62
8 10/31/2025 02:45:26 77.40, 144.08 91.65 10/31/2025 02:46:23 77.39, 144.13 91.65 2.00 57
9 10/31/2025 03:36:10 -77.37, -48.46 88.37 10/31/2025 03:37:04 -77.41, -48.45 88.32 4.32 54
10 10/31/2025 04:26:55 77.39, 118.78 91.66 10/31/2025 04:27:45 77.37, 118.71 91.65 2.41 50
11 10/31/2025 05:17:40 -77.39, -73.95 88.32 10/31/2025 05:18:26 -77.39, -73.87 88.32 1.96 46
12 10/31/2025 06:08:24 77.37, 93.48 91.67 10/31/2025 06:09:06 77.40, 93.49 91.70 2.91 42
13 10/31/2025 06:59:09 -77.38, -99.24 88.31 10/31/2025 06:59:48 -77.37, -99.28 88.31 1.10 39
14 10/31/2025 07:49:54 77.40, 67.99 91.72 10/31/2025 07:50:28 77.38, 68.07 91.71 2.61 34
15 10/31/2025 08:40:38 -77.36,-124.54 88.30 10/31/2025 08:41:10 -77.36,-124.70 88.31 3.92 32
16 10/31/2025 09:31:23 77.38, 42.70 91.73 10/31/2025 09:31:50 77.36, 42.65 91.71 2.24 27
17 10/31/2025 10:22:08 -77.39,-150.03 88.26 10/31/2025 10:22:31 -77.38,-149.92 88.26 2.64 23
18 10/31/2025 11:12:52 77.36, 17.40 91.74 10/31/2025 11:13:11 77.39, 17.43 91.76 2.73 19
19 10/31/2025 12:03:37 -77.37,-175.33 88.25 10/31/2025 12:03:53 -77.37,-175.34 88.26 0.77 16
20 10/31/2025 12:54:22 77.39, -8.09 91.78 10/31/2025 12:54:33 77.37, -7.99 91.77 3.25 11
21 10/31/2025 13:45:06 -77.36, 159.38 88.24 10/31/2025 13:45:15 -77.35, 159.25 88.25 3.31 9
22 10/31/2025 14:35:51 77.37, -33.39 91.79 10/31/2025 14:35:55 77.35, -33.40 91.77 2.28 4
23 10/31/2025 15:26:35 -77.38, 133.89 88.20 10/31/2025 15:26:35 -77.37, 134.02 88.20 3.33 0
24 10/31/2025 16:17:19 77.36, -58.68 91.80 10/31/2025 16:17:15 77.38, -58.63 91.82 2.70 4
25 10/31/2025 17:08:04 -77.37, 108.59 88.19 10/31/2025 17:07:57 -77.36, 108.61 88.20 0.99 7
26 10/31/2025 17:58:48 77.34, -83.98 91.81 10/31/2025 17:58:37 77.36, -84.04 91.82 2.78 11
27 10/31/2025 18:49:33 -77.35, 83.30 88.18 10/31/2025 18:49:19 -77.34, 83.19 88.19 2.75 14
28 10/31/2025 19:40:18 77.37,-109.47 91.85 10/31/2025 19:39:59 77.34,-109.46 91.83 2.53 19
29 10/31/2025 20:31:02 -77.33, 58.00 88.17 10/31/2025 20:30:40 -77.37, 57.97 88.14 3.66 22
30 10/31/2025 21:21:47 77.35,-134.76 91.86 10/31/2025 21:21:20 77.37,-134.69 91.88 2.83 27
31 10/31/2025 22:12:32 -77.36, 32.51 88.12 10/31/2025 22:12:02 -77.35, 32.55 88.14 1.54 30
32 10/31/2025 23:03:16 77.34,-160.06 91.87 10/31/2025 23:02:42 77.35,-160.10 91.88 2.20 34
33 10/31/2025 23:54:01 -77.34, 7.21 88.12 10/31/2025 23:53:24 -77.33, 7.14 88.14 2.27 37
34 11/01/2025 00:44:46 77.36, 174.45 91.92 11/01/2025 00:44:04 77.34, 174.48 91.89 2.94 42
35 11/01/2025 01:35:30 -77.33, -18.08 88.11 11/01/2025 01:34:45 -77.36, -18.09 88.08 3.34 45
36 11/01/2025 02:26:15 77.35, 149.15 91.93 11/01/2025 02:25:25 77.36, 149.26 91.94 3.11 50
37 11/01/2025 03:17:00 -77.35, -43.57 88.06 11/01/2025 03:16:07 -77.34, -43.50 88.08 2.19 53
38 11/01/2025 04:07:44 77.33, 123.86 91.93 11/01/2025 04:06:47 77.34, 123.84 91.94 1.69 57
39 11/01/2025 04:58:29 -77.34, -68.87 88.05 11/01/2025 04:57:29 -77.32, -68.92 88.08 1.95 60
40 11/01/2025 05:49:14 77.36, 98.37 91.98 11/01/2025 05:48:09 77.33, 98.43 91.94 3.45 65
41 11/01/2025 06:39:58 -77.32, -94.17 88.04 11/01/2025 06:38:50 -77.35, -94.15 88.02 3.12 68
42 11/01/2025 07:30:43 77.34, 73.07 91.99 11/01/2025 07:29:30 77.35, 73.20 91.99 3.50 73
43 11/01/2025 08:21:27 -77.31,-119.46 88.03 11/01/2025 08:20:12 -77.33,-119.56 88.02 3.79 75
44 11/01/2025 09:12:07 77.11, 48.73 91.83 11/01/2025 09:10:57 77.12, 46.85 91.75 46.48 70
45 11/01/2025 10:02:49 -77.00,-143.44 88.26 11/01/2025 10:01:42 -76.97,-146.44 88.41 75.05 67

Figure of FY3D and METOP-C satellite orbits during SNOs since TLE Epoch: 10/23/2025
SNOs_Map_FY3D_METOP-C_20251023.jpg

Download SNOs between FY3D and METOP-C since TLE EPOCH: 10/23/2025 in txt file.

Historial Predications of SNOs between FY3D and METOP-C