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: 9/23/2025
| 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 | 10/06/2025 | 06:54:52 | -69.71,-106.14 | 105.16 | 10/06/2025 | 06:56:00 | -69.62,-104.20 | 105.22 | 75.38 | 68 |
| 2 | 10/06/2025 | 07:45:26 | 69.09, 62.05 | 74.24 | 10/06/2025 | 07:46:38 | 69.03, 62.35 | 74.19 | 13.49 | 72 |
| 3 | 10/06/2025 | 08:36:07 | -68.91,-130.38 | 105.93 | 10/06/2025 | 08:37:10 | -68.93,-130.41 | 105.91 | 2.34 | 63 |
| 4 | 10/06/2025 | 09:26:53 | 68.93, 36.90 | 74.11 | 10/06/2025 | 09:27:37 | 68.93, 36.97 | 74.11 | 2.80 | 44 |
| 5 | 10/06/2025 | 10:17:36 | -68.86,-155.68 | 105.95 | 10/06/2025 | 10:18:08 | -68.87,-155.72 | 105.94 | 2.43 | 32 |
| 6 | 10/06/2025 | 11:08:22 | 68.88, 11.60 | 74.08 | 10/06/2025 | 11:08:35 | 68.87, 11.66 | 74.08 | 2.49 | 13 |
| 7 | 10/06/2025 | 11:59:05 | -68.80, 179.01 | 105.98 | 10/06/2025 | 11:59:06 | -68.82, 178.97 | 105.97 | 2.56 | 1 |
| 8 | 10/06/2025 | 12:49:51 | 68.82, -13.70 | 74.06 | 10/06/2025 | 12:49:33 | 68.82, -13.65 | 74.05 | 2.23 | 18 |
| 9 | 10/06/2025 | 13:40:34 | -68.75, 153.71 | 106.01 | 10/06/2025 | 13:40:04 | -68.76, 153.66 | 105.99 | 2.71 | 30 |
| 10 | 10/06/2025 | 14:31:20 | 68.77, -39.00 | 74.03 | 10/06/2025 | 14:30:31 | 68.76, -38.96 | 74.02 | 2.04 | 49 |
| 11 | 10/06/2025 | 15:22:03 | -68.70, 128.41 | 106.03 | 10/06/2025 | 15:21:02 | -68.71, 128.35 | 106.02 | 2.87 | 61 |
| 12 | 10/06/2025 | 16:12:45 | 68.50, -64.02 | 73.80 | 10/06/2025 | 16:11:32 | 68.54, -64.49 | 73.83 | 19.41 | 73 |
| 13 | 10/06/2025 | 17:03:21 | -68.06, 103.87 | 106.64 | 10/06/2025 | 17:02:11 | -68.06, 102.27 | 106.65 | 66.30 | 70 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/23/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/23/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C