Simultaneous Nadir Overpasses (SNOs) Predictions

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

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/14/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (METOP-C) Time (METOP-C) Lat,Lon (METOP-C) SZA (METOP-C ) Distance(km) Time Diff (sec)
1 10/17/2025 00:04:00 -73.63, -10.37 97.12 10/17/2025 00:05:06 -73.60, -7.26 97.21 97.71 66
2 10/17/2025 00:54:42 73.46, 157.35 82.72 10/17/2025 00:55:50 73.41, 159.63 82.62 72.56 68
3 10/17/2025 01:45:24 -73.34, -35.06 97.40 10/17/2025 01:46:34 -73.29, -33.31 97.50 56.02 70
4 10/17/2025 02:36:06 73.16, 132.65 82.43 10/17/2025 02:37:18 73.09, 133.59 82.33 31.22 72
5 10/17/2025 03:26:48 -73.04, -59.77 97.69 10/17/2025 03:28:01 -73.02, -59.24 97.73 17.43 73
6 10/17/2025 04:17:31 72.91, 107.82 82.19 10/17/2025 04:18:43 72.92, 107.88 82.19 2.46 72
7 10/17/2025 05:08:15 -72.89, -84.83 97.82 10/17/2025 05:09:25 -72.90, -84.83 97.82 1.13 70
8 10/17/2025 05:59:01 72.91, 82.44 82.22 10/17/2025 06:00:05 72.90, 82.50 82.20 2.26 64
9 10/17/2025 06:49:45 -72.89,-110.20 97.80 10/17/2025 06:50:47 -72.88,-110.21 97.81 1.11 62
10 10/17/2025 07:40:30 72.86, 57.17 82.19 10/17/2025 07:41:27 72.88, 57.12 82.21 2.91 57
11 10/17/2025 08:31:15 -72.89,-135.58 97.77 10/17/2025 08:32:09 -72.86,-135.59 97.80 3.26 54
12 10/17/2025 09:22:00 72.86, 31.79 82.22 10/17/2025 09:22:49 72.86, 31.74 82.22 1.61 49
13 10/17/2025 10:12:45 -72.89,-160.96 97.74 10/17/2025 10:13:30 -72.89,-160.86 97.75 3.08 45
14 10/17/2025 11:03:30 72.86, 6.42 82.24 10/17/2025 11:04:11 72.85, 6.37 82.22 2.54 41
15 10/17/2025 11:54:15 -72.89, 173.66 97.72 10/17/2025 11:54:52 -72.88, 173.76 97.74 3.61 37
16 10/17/2025 12:45:00 72.86, -18.96 82.27 10/17/2025 12:45:32 72.88, -18.91 82.28 2.33 32
17 10/17/2025 13:35:44 -72.84, 148.39 97.74 10/17/2025 13:36:14 -72.86, 148.38 97.73 1.54 30
18 10/17/2025 14:26:30 72.87, -44.34 82.30 10/17/2025 14:26:54 72.86, -44.29 82.29 1.85 24
19 10/17/2025 15:17:14 -72.85, 123.02 97.72 10/17/2025 15:17:36 -72.84, 123.00 97.72 0.92 22
20 10/17/2025 16:07:59 72.82, -69.61 82.27 10/17/2025 16:08:16 72.84, -69.67 82.30 3.29 17
21 10/17/2025 16:58:44 -72.85, 97.64 97.69 10/17/2025 16:58:58 -72.82, 97.62 97.72 2.98 14
22 10/17/2025 17:49:29 72.82, -94.99 82.30 10/17/2025 17:49:38 72.82, -95.04 82.30 1.97 9
23 10/17/2025 18:40:14 -72.85, 72.26 97.66 10/17/2025 18:40:19 -72.85, 72.35 97.66 2.86 5
24 10/17/2025 19:30:59 72.82,-120.36 82.33 10/17/2025 19:31:00 72.80,-120.42 82.31 2.59 1
25 10/17/2025 20:21:44 -72.85, 46.89 97.63 10/17/2025 20:21:41 -72.83, 46.97 97.65 3.23 3
26 10/17/2025 21:12:29 72.82,-145.74 82.35 10/17/2025 21:12:21 72.84,-145.70 82.37 2.28 8
27 10/17/2025 22:03:13 -72.80, 21.61 97.66 10/17/2025 22:03:03 -72.82, 21.59 97.64 1.92 10
28 10/17/2025 22:53:59 72.82,-171.12 82.38 10/17/2025 22:53:43 72.82,-171.07 82.38 1.48 16
29 10/17/2025 23:44:43 -72.80, -3.76 97.63 10/17/2025 23:44:25 -72.80, -3.79 97.64 0.91 18
30 10/18/2025 00:35:29 72.82, 163.51 82.41 10/18/2025 00:35:05 72.80, 163.55 82.38 3.01 24
31 10/18/2025 01:26:13 -72.80, -29.14 97.61 10/18/2025 01:25:47 -72.78, -29.17 97.63 2.75 26
32 10/18/2025 02:16:58 72.77, 138.23 82.38 10/18/2025 02:16:27 72.78, 138.17 82.39 2.31 31
33 10/18/2025 03:07:43 -72.80, -54.52 97.58 10/18/2025 03:07:08 -72.81, -54.44 97.57 2.70 35
34 10/18/2025 03:58:28 72.77, 112.86 82.41 10/18/2025 03:57:49 72.76, 112.79 82.40 2.70 39
35 10/18/2025 04:49:13 -72.81, -79.89 97.55 10/18/2025 04:48:30 -72.79, -79.82 97.56 2.88 43
36 10/18/2025 05:39:58 72.78, 87.48 82.43 10/18/2025 05:39:10 72.79, 87.52 82.45 2.27 48
37 10/18/2025 06:30:42 -72.76,-105.17 97.58 10/18/2025 06:29:52 -72.77,-105.19 97.56 2.26 50
38 10/18/2025 07:21:28 72.78, 62.10 82.46 10/18/2025 07:20:32 72.77, 62.14 82.46 1.16 56
39 10/18/2025 08:12:12 -72.76,-130.54 97.55 10/18/2025 08:11:14 -72.76,-130.57 97.55 1.04 58
40 10/18/2025 09:02:58 72.78, 36.73 82.49 10/18/2025 09:01:54 72.76, 36.76 82.47 2.72 64
41 10/18/2025 09:53:42 -72.76,-155.92 97.53 10/18/2025 09:52:36 -72.74,-155.95 97.54 2.59 66
42 10/18/2025 10:44:27 72.73, 11.45 82.46 10/18/2025 10:43:16 72.74, 11.38 82.48 2.62 71
43 10/18/2025 11:35:12 -72.76, 178.70 97.50 10/18/2025 11:33:57 -72.77, 178.78 97.48 2.59 75
44 10/18/2025 12:25:54 72.58, -13.61 82.33 10/18/2025 12:24:41 72.57, -14.31 82.34 23.43 73
45 10/18/2025 13:16:36 -72.46, 153.95 97.79 10/18/2025 13:15:24 -72.50, 152.88 97.72 36.07 72
46 10/18/2025 14:07:18 72.27, -38.37 82.04 10/18/2025 14:06:09 72.24, -40.30 82.05 65.30 69
47 10/18/2025 14:58:00 -72.15, 129.18 98.07 10/18/2025 14:56:52 -72.17, 126.90 98.00 77.46 68

Figure of NPP and METOP-C satellite orbits during SNOs since TLE Epoch: 10/14/2025
SNOs_Map_NPP_METOP-C_20251015.jpg

Download SNOs between NPP and METOP-C since TLE EPOCH: 10/14/2025 in txt file.

Historial Predications of SNOs between NPP and METOP-C