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: 10/5/2025
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 10/16/2025 22:22:29 -73.54, 15.22 97.24 10/16/2025 22:23:36 -73.50, 17.89 97.34 84.57 67
2 10/16/2025 23:13:11 73.38,-177.09 82.61 10/16/2025 23:14:20 73.29,-175.25 82.47 59.67 69
3 10/17/2025 00:03:53 -73.25, -9.48 97.52 10/17/2025 00:05:04 -73.17, -8.17 97.63 42.90 71
4 10/17/2025 00:54:35 73.08, 158.20 82.32 10/17/2025 00:55:47 73.01, 158.81 82.23 21.18 72
5 10/17/2025 01:45:16 -72.95, -34.20 97.81 10/17/2025 01:46:30 -72.90, -34.10 97.87 6.63 74
6 10/17/2025 02:36:00 72.88, 133.26 82.13 10/17/2025 02:37:10 72.88, 133.20 82.13 1.89 70
7 10/17/2025 03:26:45 -72.90, -59.47 97.84 10/17/2025 03:27:52 -72.87, -59.50 97.87 3.23 67
8 10/17/2025 04:17:30 72.88, 107.88 82.16 10/17/2025 04:18:32 72.86, 107.81 82.13 3.25 62
9 10/17/2025 05:08:15 -72.90, -84.85 97.81 10/17/2025 05:09:13 -72.90, -84.78 97.82 2.27 58
10 10/17/2025 05:59:00 72.88, 82.50 82.19 10/17/2025 05:59:53 72.88, 82.53 82.18 0.83 53
11 10/17/2025 06:49:44 -72.85,-110.12 97.84 10/17/2025 06:50:35 -72.87,-110.17 97.82 2.85 51
12 10/17/2025 07:40:30 72.88, 57.13 82.21 10/17/2025 07:41:15 72.86, 57.13 82.19 2.58 45
13 10/17/2025 08:31:14 -72.85,-135.50 97.81 10/17/2025 08:31:57 -72.85,-135.56 97.82 2.30 43
14 10/17/2025 09:22:00 72.88, 31.75 82.24 10/17/2025 09:22:36 72.89, 31.85 82.24 3.28 36
15 10/17/2025 10:12:44 -72.85,-160.87 97.78 10/17/2025 10:13:18 -72.87,-160.85 97.77 2.20 34
16 10/17/2025 11:03:29 72.84, 6.48 82.21 10/17/2025 11:03:58 72.86, 6.46 82.24 2.89 29
17 10/17/2025 11:54:14 -72.86, 173.75 97.76 10/17/2025 11:54:40 -72.85, 173.76 97.77 0.94 26
18 10/17/2025 12:44:59 72.84, -18.90 82.24 10/17/2025 12:45:20 72.84, -18.94 82.24 1.20 21
19 10/17/2025 13:35:44 -72.86, 148.37 97.73 10/17/2025 13:36:02 -72.82, 148.37 97.76 3.80 18
20 10/17/2025 14:26:29 72.84, -44.28 82.27 10/17/2025 14:26:41 72.86, -44.22 82.29 3.13 12
21 10/17/2025 15:17:14 -72.86, 122.99 97.70 10/17/2025 15:17:23 -72.85, 123.08 97.71 3.09 9
22 10/17/2025 16:07:59 72.84, -69.65 82.30 10/17/2025 16:08:03 72.84, -69.61 82.29 1.40 4
23 10/17/2025 16:58:43 -72.81, 97.72 97.73 10/17/2025 16:58:45 -72.82, 97.69 97.71 1.90 2
24 10/17/2025 17:49:29 72.84, -95.03 82.32 10/17/2025 17:49:25 72.81, -95.00 82.29 3.47 4
25 10/17/2025 18:40:13 -72.81, 72.34 97.70 10/17/2025 18:40:07 -72.80, 72.30 97.71 2.05 6
26 10/17/2025 19:30:58 72.79,-120.30 82.30 10/17/2025 19:30:47 72.79,-120.40 82.29 3.18 11
27 10/17/2025 20:21:43 -72.81, 46.97 97.67 10/17/2025 20:21:28 -72.82, 47.01 97.66 1.99 15
28 10/17/2025 21:12:28 72.79,-145.68 82.32 10/17/2025 21:12:08 72.81,-145.68 82.34 2.00 20
29 10/17/2025 22:03:13 -72.81, 21.59 97.65 10/17/2025 22:02:50 -72.80, 21.62 97.66 1.90 23
30 10/17/2025 22:53:58 72.79,-171.06 82.35 10/17/2025 22:53:30 72.79,-171.07 82.35 1.12 28
31 10/17/2025 23:44:42 -72.77, -3.68 97.67 10/17/2025 23:44:12 -72.78, -3.77 97.66 3.11 30
32 10/18/2025 00:35:28 72.80, 163.56 82.38 10/18/2025 00:34:51 72.81, 163.64 82.40 2.99 37
33 10/18/2025 01:26:12 -72.77, -29.06 97.64 10/18/2025 01:25:33 -72.80, -29.06 97.61 3.76 39
34 10/18/2025 02:16:58 72.80, 138.19 82.41 10/18/2025 02:16:13 72.79, 138.25 82.40 2.33 45
35 10/18/2025 03:07:42 -72.77, -54.44 97.62 10/18/2025 03:06:55 -72.78, -54.45 97.61 0.90 47
36 10/18/2025 03:58:27 72.75, 112.92 82.38 10/18/2025 03:57:35 72.76, 112.86 82.40 2.44 52
37 10/18/2025 04:49:12 -72.77, -79.81 97.59 10/18/2025 04:48:17 -72.75, -79.84 97.60 2.28 55
38 10/18/2025 05:39:57 72.75, 87.54 82.41 10/18/2025 05:38:57 72.74, 87.46 82.40 2.91 60
39 10/18/2025 06:30:42 -72.77,-105.19 97.56 10/18/2025 06:29:38 -72.78,-105.13 97.55 2.25 64
40 10/18/2025 07:21:27 72.75, 62.16 82.43 10/18/2025 07:20:18 72.76, 62.18 82.45 1.25 69
41 10/18/2025 08:12:12 -72.77,-130.57 97.54 10/18/2025 08:11:00 -72.75,-130.52 97.55 2.95 72
42 10/18/2025 09:02:55 72.65, 36.99 82.36 10/18/2025 09:01:41 72.69, 36.68 82.40 11.02 74
43 10/18/2025 09:53:38 -72.57,-155.53 97.72 10/18/2025 09:52:25 -72.57,-156.22 97.70 22.99 73
44 10/18/2025 10:44:19 72.35, 12.23 82.07 10/18/2025 10:43:09 72.35, 10.67 82.11 52.59 70
45 10/18/2025 11:35:02 -72.27, 179.70 98.01 10/18/2025 11:33:52 -72.29, 177.88 97.94 61.63 70
46 10/18/2025 12:25:43 72.04, -12.55 81.78 10/18/2025 12:24:37 72.02, -15.31 81.82 94.85 66

Figure of NPP and METOP-C satellite orbits during SNOs since TLE Epoch: 10/5/2025
SNOs_Map_NPP_METOP-C_20251005.jpg

Download SNOs between NPP and METOP-C since TLE EPOCH: 10/05/2025 in txt file.

Historial Predications of SNOs between NPP and METOP-C