Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NPP and GCOM-C Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/20/2025
Index | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Date (GCOM-C) | Time (GCOM-C) | Lat,Lon (GCOM-C) | SZA (GCOM-C ) | Distance(km) | Time Diff (sec) |
1 | 09/23/2025 | 08:29:40 | 69.66, 50.18 | 69.78 | 09/23/2025 | 08:30:48 | 69.59, 51.99 | 69.71 | 70.35 | 68 |
2 | 09/23/2025 | 09:20:15 | -69.17,-141.81 | 110.70 | 09/23/2025 | 09:21:27 | -69.10,-141.32 | 110.77 | 20.77 | 72 |
3 | 09/23/2025 | 10:10:57 | 68.96, 25.79 | 69.11 | 09/23/2025 | 10:11:57 | 68.94, 25.85 | 69.09 | 3.10 | 60 |
4 | 09/23/2025 | 11:01:40 | -68.90,-166.81 | 110.94 | 09/23/2025 | 11:02:28 | -68.89,-166.85 | 110.96 | 2.47 | 48 |
5 | 09/23/2025 | 11:52:26 | 68.91, 0.49 | 69.08 | 09/23/2025 | 11:52:55 | 68.89, 0.54 | 69.06 | 2.68 | 29 |
6 | 09/23/2025 | 12:43:09 | -68.85, 167.89 | 110.97 | 09/23/2025 | 12:43:26 | -68.84, 167.84 | 110.98 | 2.49 | 17 |
7 | 09/23/2025 | 13:33:55 | 68.85, -24.81 | 69.05 | 09/23/2025 | 13:33:53 | 68.84, -24.77 | 69.04 | 2.27 | 2 |
8 | 09/23/2025 | 14:24:38 | -68.80, 142.59 | 111.00 | 09/23/2025 | 14:24:24 | -68.78, 142.54 | 111.01 | 2.55 | 14 |
9 | 09/23/2025 | 15:15:24 | 68.80, -50.11 | 69.02 | 09/23/2025 | 15:14:51 | 68.79, -50.07 | 69.01 | 1.89 | 33 |
10 | 09/23/2025 | 16:06:07 | -68.74, 117.29 | 111.02 | 09/23/2025 | 16:05:22 | -68.73, 117.23 | 111.04 | 2.64 | 45 |
11 | 09/23/2025 | 16:56:53 | 68.74, -75.41 | 69.00 | 09/23/2025 | 16:55:49 | 68.73, -75.38 | 68.99 | 1.52 | 64 |
12 | 09/23/2025 | 17:47:35 | -68.63, 92.06 | 111.10 | 09/23/2025 | 17:46:21 | -68.62, 91.85 | 111.12 | 8.45 | 74 |
13 | 09/23/2025 | 18:38:09 | 67.99, -99.80 | 68.28 | 09/23/2025 | 18:37:00 | 67.98,-101.59 | 68.25 | 74.56 | 69 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/20/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/20/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C