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: 10/20/2025
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 20:50:23 -77.82, 50.79 88.08 10/30/2025 20:51:27 -77.83, 54.87 87.92 95.86 64
2 10/30/2025 21:41:04 77.68,-141.17 91.82 10/30/2025 21:42:12 77.62,-138.77 91.85 57.38 68
3 10/30/2025 22:31:45 -77.52, 26.92 88.31 10/30/2025 22:32:57 -77.48, 27.88 88.31 23.53 72
4 10/30/2025 23:22:26 77.38,-165.06 91.59 10/30/2025 23:23:39 77.39,-165.16 91.61 3.10 73
5 10/31/2025 00:13:11 -77.38, 2.22 88.40 10/31/2025 00:14:21 -77.37, 2.08 88.41 3.55 70
6 10/31/2025 01:03:56 77.40, 169.45 91.63 10/31/2025 01:05:01 77.38, 169.43 91.61 2.81 65
7 10/31/2025 01:54:41 -77.41, -23.27 88.36 10/31/2025 01:55:42 -77.40, -23.15 88.35 3.25 61
8 10/31/2025 02:45:25 77.39, 144.15 91.64 10/31/2025 02:46:22 77.40, 144.20 91.67 2.17 57
9 10/31/2025 03:36:10 -77.39, -48.57 88.35 10/31/2025 03:37:04 -77.38, -48.56 88.35 1.24 54
10 10/31/2025 04:26:54 77.37, 118.85 91.65 10/31/2025 04:27:44 77.39, 118.78 91.67 2.38 50
11 10/31/2025 05:17:39 -77.38, -73.87 88.34 10/31/2025 05:18:26 -77.37, -73.98 88.35 3.06 47
12 10/31/2025 06:08:24 77.40, 93.36 91.69 10/31/2025 06:09:06 77.37, 93.37 91.67 3.15 42
13 10/31/2025 06:59:08 -77.36, -99.16 88.33 10/31/2025 06:59:47 -77.39, -99.20 88.30 3.35 39
14 10/31/2025 07:49:53 77.38, 68.07 91.70 10/31/2025 07:50:27 77.39, 68.14 91.72 2.31 34
15 10/31/2025 08:40:38 -77.39,-124.65 88.28 10/31/2025 08:41:09 -77.37,-124.62 88.29 1.77 31
16 10/31/2025 09:31:22 77.36, 42.77 91.71 10/31/2025 09:31:49 77.38, 42.72 91.73 1.66 27
17 10/31/2025 10:22:07 -77.37,-149.95 88.27 10/31/2025 10:22:31 -77.36,-150.04 88.29 2.69 24
18 10/31/2025 11:12:52 77.39, 17.28 91.76 10/31/2025 11:13:11 77.36, 17.31 91.73 3.62 19
19 10/31/2025 12:03:36 -77.36,-175.25 88.26 10/31/2025 12:03:52 -77.38,-175.26 88.24 2.87 16
20 10/31/2025 12:54:21 77.38, -8.02 91.77 10/31/2025 12:54:32 77.38, -7.92 91.78 2.66 11
21 10/31/2025 13:45:06 -77.38, 159.26 88.22 10/31/2025 13:45:14 -77.36, 159.32 88.23 2.42 8
22 10/31/2025 14:35:50 77.36, -33.32 91.78 10/31/2025 14:35:54 77.37, -33.34 91.79 0.96 4
23 10/31/2025 15:26:35 -77.37, 133.96 88.21 10/31/2025 15:26:36 -77.35, 133.91 88.23 2.50 1
24 10/31/2025 16:17:19 77.34, -58.61 91.79 10/31/2025 16:17:16 77.35, -58.75 91.79 3.44 3
25 10/31/2025 17:08:04 -77.35, 108.67 88.20 10/31/2025 17:07:57 -77.37, 108.68 88.18 2.51 7
26 10/31/2025 17:58:49 77.37, -84.11 91.83 10/31/2025 17:58:37 77.38, -83.98 91.84 3.14 12
27 10/31/2025 18:49:34 -77.38, 83.18 88.16 10/31/2025 18:49:19 -77.36, 83.26 88.18 3.13 15
28 10/31/2025 19:40:18 77.35,-109.40 91.84 10/31/2025 19:39:59 77.36,-109.40 91.84 0.46 19
29 10/31/2025 20:31:03 -77.36, 57.88 88.15 10/31/2025 20:30:41 -77.34, 57.85 88.17 2.55 22
30 10/31/2025 21:21:47 77.34,-134.70 91.85 10/31/2025 21:21:21 77.34,-134.81 91.85 2.75 26
31 10/31/2025 22:12:32 -77.35, 32.58 88.14 10/31/2025 22:12:02 -77.36, 32.62 88.12 2.34 30
32 10/31/2025 23:03:17 77.36,-160.19 91.90 10/31/2025 23:02:42 77.37,-160.04 91.90 3.72 35
33 10/31/2025 23:54:01 -77.33, 7.28 88.13 10/31/2025 23:53:24 -77.35, 7.21 88.12 2.72 37
34 11/01/2025 00:44:46 77.35, 174.51 91.91 11/01/2025 00:44:04 77.35, 174.54 91.90 0.81 42
35 11/01/2025 01:35:31 -77.36, -18.21 88.08 11/01/2025 01:34:46 -77.33, -18.21 88.12 2.83 45
36 11/01/2025 02:26:15 77.33, 149.21 91.92 11/01/2025 02:25:26 77.33, 149.13 91.90 2.11 49
37 11/01/2025 03:17:00 -77.34, -43.50 88.07 11/01/2025 03:16:07 -77.36, -43.44 88.06 2.39 53
38 11/01/2025 04:07:45 77.36, 123.72 91.96 11/01/2025 04:06:47 77.36, 123.90 91.95 4.36 58
39 11/01/2025 04:58:28 -77.32, -68.80 88.06 11/01/2025 04:57:28 -77.34, -68.85 88.06 1.98 60
40 11/01/2025 05:49:13 77.34, 98.43 91.97 11/01/2025 05:48:08 77.34, 98.48 91.96 1.52 65
41 11/01/2025 06:39:58 -77.35, -94.29 88.02 11/01/2025 06:38:50 -77.32, -94.27 88.06 3.29 68
42 11/01/2025 07:30:42 77.33, 73.13 91.98 11/01/2025 07:29:30 77.32, 73.07 91.96 1.60 72
43 11/01/2025 08:21:27 -77.34,-119.59 88.01 11/01/2025 08:20:12 -77.30,-119.68 88.06 4.10 75
44 11/01/2025 09:12:06 77.10, 48.78 91.82 11/01/2025 09:10:57 77.09, 46.73 91.72 51.12 69
45 11/01/2025 10:02:48 -76.98,-143.38 88.27 11/01/2025 10:01:41 -76.98,-146.38 88.39 75.01 67

Figure of FY3D and METOP-C satellite orbits during SNOs since TLE Epoch: 10/20/2025
SNOs_Map_FY3D_METOP-C_20251021.jpg

Download SNOs between FY3D and METOP-C since TLE EPOCH: 10/20/2025 in txt file.

Historial Predications of SNOs between FY3D and METOP-C