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: 9/14/2025
| 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 | 69.61, 50.24 | 69.73 | 09/23/2025 | 08:30:49 | 69.58, 51.98 | 69.71 | 67.31 | 69 |
| 2 | 09/23/2025 | 09:20:15 | -69.12,-141.74 | 110.75 | 09/23/2025 | 09:21:28 | -69.10,-141.32 | 110.77 | 16.67 | 73 |
| 3 | 09/23/2025 | 10:10:57 | 68.92, 25.85 | 69.06 | 09/23/2025 | 10:11:58 | 68.94, 25.84 | 69.08 | 1.95 | 61 |
| 4 | 09/23/2025 | 11:01:41 | -68.91,-166.82 | 110.94 | 09/23/2025 | 11:02:29 | -68.89,-166.85 | 110.96 | 2.79 | 48 |
| 5 | 09/23/2025 | 11:52:26 | 68.86, 0.55 | 69.04 | 09/23/2025 | 11:52:56 | 68.88, 0.53 | 69.06 | 2.32 | 30 |
| 6 | 09/23/2025 | 12:43:10 | -68.85, 167.88 | 110.97 | 09/23/2025 | 12:43:27 | -68.83, 167.84 | 110.98 | 2.71 | 17 |
| 7 | 09/23/2025 | 13:33:55 | 68.81, -24.75 | 69.01 | 09/23/2025 | 13:33:54 | 68.83, -24.77 | 69.03 | 2.70 | 1 |
| 8 | 09/23/2025 | 14:24:39 | -68.80, 142.58 | 110.99 | 09/23/2025 | 14:24:25 | -68.78, 142.53 | 111.01 | 2.67 | 14 |
| 9 | 09/23/2025 | 15:15:24 | 68.75, -50.05 | 68.98 | 09/23/2025 | 15:14:52 | 68.78, -50.08 | 69.01 | 3.07 | 32 |
| 10 | 09/23/2025 | 16:06:07 | -68.74, 117.28 | 111.02 | 09/23/2025 | 16:05:22 | -68.73, 117.23 | 111.04 | 2.67 | 45 |
| 11 | 09/23/2025 | 16:56:53 | 68.75, -75.42 | 69.01 | 09/23/2025 | 16:55:49 | 68.73, -75.39 | 68.98 | 3.19 | 64 |
| 12 | 09/23/2025 | 17:47:35 | -68.64, 92.05 | 111.10 | 09/23/2025 | 17:46:21 | -68.62, 91.85 | 111.12 | 8.28 | 74 |
| 13 | 09/23/2025 | 18:38:09 | 68.00, -99.81 | 68.29 | 09/23/2025 | 18:37:00 | 67.97,-101.60 | 68.25 | 74.37 | 69 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/14/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/14/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C