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: 9/11/2025
| 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 | 69.64, 50.20 | 69.76 | 09/23/2025 | 08:30:49 | 69.55, 51.94 | 69.68 | 68.01 | 69 |
| 2 | 09/23/2025 | 09:20:15 | -69.15,-141.77 | 110.73 | 09/23/2025 | 09:21:28 | -69.07,-141.36 | 110.80 | 18.44 | 73 |
| 3 | 09/23/2025 | 10:10:57 | 68.95, 25.81 | 69.09 | 09/23/2025 | 10:11:57 | 68.96, 25.88 | 69.11 | 2.99 | 60 |
| 4 | 09/23/2025 | 11:01:41 | -68.93,-166.85 | 110.91 | 09/23/2025 | 11:02:28 | -68.91,-166.81 | 110.93 | 2.68 | 47 |
| 5 | 09/23/2025 | 11:52:26 | 68.89, 0.51 | 69.06 | 09/23/2025 | 11:52:55 | 68.91, 0.57 | 69.08 | 2.88 | 29 |
| 6 | 09/23/2025 | 12:43:10 | -68.88, 167.85 | 110.94 | 09/23/2025 | 12:43:26 | -68.86, 167.88 | 110.96 | 2.26 | 16 |
| 7 | 09/23/2025 | 13:33:55 | 68.84, -24.79 | 69.04 | 09/23/2025 | 13:33:53 | 68.86, -24.74 | 69.06 | 2.85 | 2 |
| 8 | 09/23/2025 | 14:24:39 | -68.82, 142.55 | 110.97 | 09/23/2025 | 14:24:24 | -68.81, 142.57 | 110.98 | 1.86 | 15 |
| 9 | 09/23/2025 | 15:15:24 | 68.78, -50.09 | 69.01 | 09/23/2025 | 15:14:51 | 68.80, -50.05 | 69.03 | 2.89 | 33 |
| 10 | 09/23/2025 | 16:06:08 | -68.77, 117.25 | 111.00 | 09/23/2025 | 16:05:22 | -68.76, 117.27 | 111.01 | 1.47 | 46 |
| 11 | 09/23/2025 | 16:56:53 | 68.73, -75.39 | 68.98 | 09/23/2025 | 16:55:49 | 68.75, -75.35 | 69.01 | 3.01 | 64 |
| 12 | 09/23/2025 | 17:47:35 | -68.61, 92.09 | 111.13 | 09/23/2025 | 17:46:21 | -68.65, 91.89 | 111.09 | 9.55 | 74 |
| 13 | 09/23/2025 | 18:38:09 | 67.97, -99.78 | 68.26 | 09/23/2025 | 18:37:00 | 68.00,-101.56 | 68.27 | 74.31 | 69 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/11/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/11/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C