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: 8/13/2025
| 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 | 08/15/2025 | 12:23:17 | 69.80, -8.56 | 55.87 | 08/15/2025 | 12:24:24 | 69.76, -6.36 | 55.78 | 84.78 | 67 |
| 2 | 08/15/2025 | 13:13:51 | -69.31, 159.47 | 124.62 | 08/15/2025 | 13:15:03 | -69.28, 160.33 | 124.69 | 34.09 | 72 |
| 3 | 08/15/2025 | 14:04:31 | 68.96, -32.72 | 55.02 | 08/15/2025 | 14:05:36 | 68.95, -32.73 | 55.01 | 1.11 | 65 |
| 4 | 08/15/2025 | 14:55:14 | -68.95, 134.61 | 124.98 | 08/15/2025 | 14:56:06 | -68.95, 134.65 | 124.98 | 1.58 | 52 |
| 5 | 08/15/2025 | 15:46:00 | 68.91, -58.03 | 55.00 | 08/15/2025 | 15:46:34 | 68.89, -58.04 | 54.97 | 2.19 | 34 |
| 6 | 08/15/2025 | 16:36:43 | -68.90, 109.30 | 125.00 | 08/15/2025 | 16:37:04 | -68.89, 109.34 | 125.02 | 1.69 | 21 |
| 7 | 08/15/2025 | 17:27:29 | 68.86, -83.34 | 54.97 | 08/15/2025 | 17:27:32 | 68.83, -83.36 | 54.94 | 3.28 | 3 |
| 8 | 08/15/2025 | 18:18:12 | -68.86, 83.99 | 125.03 | 08/15/2025 | 18:18:02 | -68.84, 84.02 | 125.05 | 2.36 | 10 |
| 9 | 08/15/2025 | 19:08:58 | 68.82,-108.65 | 54.94 | 08/15/2025 | 19:08:29 | 68.83,-108.60 | 54.96 | 2.68 | 29 |
| 10 | 08/15/2025 | 19:59:41 | -68.81, 58.68 | 125.06 | 08/15/2025 | 19:59:00 | -68.78, 58.71 | 125.08 | 3.26 | 41 |
| 11 | 08/15/2025 | 20:50:27 | 68.77,-133.96 | 54.92 | 08/15/2025 | 20:49:27 | 68.77,-133.91 | 54.93 | 2.07 | 60 |
| 12 | 08/15/2025 | 21:41:09 | -68.71, 33.44 | 125.14 | 08/15/2025 | 21:39:58 | -68.72, 33.40 | 125.12 | 2.52 | 71 |
| 13 | 08/15/2025 | 22:31:45 | 68.13,-158.50 | 54.29 | 08/15/2025 | 22:30:35 | 68.18,-159.92 | 54.36 | 59.22 | 70 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 8/13/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 08/13/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C