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: 5/16/2025
| 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 | 05/16/2025 | 17:33:33 | 69.58, -86.11 | 50.20 | 05/16/2025 | 17:34:43 | 69.48, -84.80 | 50.09 | 52.15 | 70 |
| 2 | 05/16/2025 | 18:24:08 | -69.10, 81.89 | 130.30 | 05/16/2025 | 18:25:20 | -69.10, 82.04 | 130.30 | 6.13 | 72 |
| 3 | 05/16/2025 | 19:14:52 | 68.99,-110.66 | 49.59 | 05/16/2025 | 19:15:49 | 69.00,-110.70 | 49.60 | 2.10 | 57 |
| 4 | 05/16/2025 | 20:05:35 | -69.00, 56.66 | 130.42 | 05/16/2025 | 20:06:18 | -69.00, 56.67 | 130.42 | 0.36 | 43 |
| 5 | 05/16/2025 | 20:56:20 | 68.94,-135.96 | 49.52 | 05/16/2025 | 20:56:46 | 68.95,-136.01 | 49.53 | 2.25 | 26 |
| 6 | 05/16/2025 | 21:47:04 | -68.94, 31.36 | 130.49 | 05/16/2025 | 21:47:16 | -68.95, 31.36 | 130.48 | 0.60 | 12 |
| 7 | 05/16/2025 | 22:37:49 | 68.89,-161.26 | 49.46 | 05/16/2025 | 22:37:44 | 68.90,-161.31 | 49.47 | 2.41 | 5 |
| 8 | 05/16/2025 | 23:28:33 | -68.89, 6.05 | 130.56 | 05/16/2025 | 23:28:14 | -68.90, 6.06 | 130.55 | 0.88 | 19 |
| 9 | 05/17/2025 | 00:19:18 | 68.84, 173.43 | 49.39 | 05/17/2025 | 00:18:42 | 68.85, 173.38 | 49.40 | 2.57 | 36 |
| 10 | 05/17/2025 | 01:10:02 | -68.84, -19.25 | 130.62 | 05/17/2025 | 01:09:12 | -68.85, -19.25 | 130.61 | 1.17 | 50 |
| 11 | 05/17/2025 | 02:00:47 | 68.79, 148.13 | 49.32 | 05/17/2025 | 01:59:40 | 68.80, 148.08 | 49.34 | 2.72 | 67 |
| 12 | 05/17/2025 | 02:51:27 | -68.57, -44.27 | 130.91 | 05/17/2025 | 02:50:14 | -68.59, -44.83 | 130.89 | 22.96 | 73 |
| 13 | 05/17/2025 | 03:42:01 | 67.93, 123.87 | 48.44 | 05/17/2025 | 03:40:53 | 67.94, 121.73 | 48.47 | 89.34 | 68 |
| 14 | 05/29/2025 | 16:49:22 | 69.74, -75.25 | 47.92 | 05/29/2025 | 16:50:31 | 69.66, -73.44 | 47.81 | 70.20 | 69 |
| 15 | 05/29/2025 | 17:39:57 | -69.24, 92.79 | 132.61 | 05/29/2025 | 17:41:10 | -69.18, 93.25 | 132.67 | 19.36 | 73 |
| 16 | 05/29/2025 | 18:30:38 | 68.99, -99.56 | 47.15 | 05/29/2025 | 18:31:40 | 69.01, -99.58 | 47.16 | 2.46 | 62 |
| 17 | 05/29/2025 | 19:21:22 | -68.97, 67.78 | 132.88 | 05/29/2025 | 19:22:11 | -68.97, 67.73 | 132.89 | 2.40 | 49 |
| 18 | 05/29/2025 | 20:12:07 | 68.94,-124.87 | 47.08 | 05/29/2025 | 20:12:38 | 68.96,-124.89 | 47.10 | 2.53 | 31 |
| 19 | 05/29/2025 | 21:02:51 | -68.92, 42.48 | 132.95 | 05/29/2025 | 21:03:09 | -68.92, 42.42 | 132.95 | 2.42 | 18 |
| 20 | 05/29/2025 | 21:53:36 | 68.89,-150.17 | 47.02 | 05/29/2025 | 21:53:36 | 68.91,-150.20 | 47.04 | 2.59 | 0 |
| 21 | 05/29/2025 | 22:44:20 | -68.87, 17.17 | 133.01 | 05/29/2025 | 22:44:07 | -68.87, 17.12 | 133.01 | 2.43 | 13 |
| 22 | 05/29/2025 | 23:35:05 | 68.84,-175.47 | 46.96 | 05/29/2025 | 23:34:34 | 68.86,-175.50 | 46.98 | 2.64 | 31 |
| 23 | 05/30/2025 | 00:25:49 | -68.82, -8.13 | 133.07 | 05/30/2025 | 00:25:05 | -68.82, -8.19 | 133.07 | 2.41 | 44 |
| 24 | 05/30/2025 | 01:16:34 | 68.79, 159.22 | 46.90 | 05/30/2025 | 01:15:32 | 68.81, 159.19 | 46.92 | 2.68 | 62 |
| 25 | 05/30/2025 | 02:07:18 | -68.77, -33.44 | 133.13 | 05/30/2025 | 02:06:03 | -68.76, -33.49 | 133.13 | 2.37 | 75 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 5/16/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 05/16/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C