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: 7/19/2025
| 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 | 07/20/2025 | 13:52:11 | 69.95, -31.08 | 49.38 | 07/20/2025 | 13:53:17 | 69.88, -28.54 | 49.24 | 97.44 | 66 |
| 2 | 07/20/2025 | 14:42:45 | -69.46, 136.96 | 131.12 | 07/20/2025 | 14:43:56 | -69.39, 138.14 | 131.23 | 46.78 | 71 |
| 3 | 07/20/2025 | 15:33:22 | 68.94, -55.00 | 48.35 | 07/20/2025 | 15:34:31 | 68.96, -55.07 | 48.36 | 3.48 | 69 |
| 4 | 07/20/2025 | 16:24:05 | -68.94, 112.32 | 131.66 | 07/20/2025 | 16:25:01 | -68.97, 112.31 | 131.63 | 3.18 | 56 |
| 5 | 07/20/2025 | 17:14:51 | 68.90, -80.31 | 48.31 | 07/20/2025 | 17:15:29 | 68.91, -80.38 | 48.32 | 3.18 | 38 |
| 6 | 07/20/2025 | 18:05:34 | -68.89, 87.02 | 131.69 | 07/20/2025 | 18:05:59 | -68.91, 87.00 | 131.67 | 2.57 | 25 |
| 7 | 07/20/2025 | 18:56:20 | 68.85,-105.62 | 48.27 | 07/20/2025 | 18:56:27 | 68.86,-105.69 | 48.28 | 2.99 | 7 |
| 8 | 07/20/2025 | 19:47:03 | -68.84, 61.71 | 131.73 | 07/20/2025 | 19:46:57 | -68.86, 61.69 | 131.71 | 1.97 | 6 |
| 9 | 07/20/2025 | 20:37:50 | 68.85,-131.00 | 48.29 | 07/20/2025 | 20:37:24 | 68.85,-130.93 | 48.30 | 2.90 | 26 |
| 10 | 07/20/2025 | 21:28:32 | -68.79, 36.40 | 131.77 | 07/20/2025 | 21:27:55 | -68.80, 36.38 | 131.75 | 1.43 | 37 |
| 11 | 07/20/2025 | 22:19:19 | 68.80,-156.31 | 48.26 | 07/20/2025 | 22:18:22 | 68.80,-156.24 | 48.26 | 2.85 | 57 |
| 12 | 07/20/2025 | 23:10:01 | -68.74, 11.09 | 131.80 | 07/20/2025 | 23:08:53 | -68.75, 11.07 | 131.79 | 1.04 | 68 |
| 13 | 07/21/2025 | 00:00:39 | 68.27, 179.02 | 47.72 | 07/20/2025 | 23:59:28 | 68.31, 177.89 | 47.80 | 46.79 | 71 |
| 14 | 07/21/2025 | 00:51:14 | -67.84, -13.11 | 132.72 | 07/21/2025 | 00:50:07 | -67.83, -15.34 | 132.66 | 93.49 | 67 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 7/19/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 07/19/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C