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: 4/20/2025
| 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 | 04/20/2025 | 19:01:50 | 69.66,-108.36 | 57.77 | 04/20/2025 | 19:02:59 | 69.62,-106.83 | 57.70 | 59.48 | 69 |
| 2 | 04/20/2025 | 19:52:25 | -69.21, 59.60 | 122.70 | 04/20/2025 | 19:53:38 | -69.14, 59.87 | 122.79 | 13.48 | 73 |
| 3 | 04/20/2025 | 20:43:08 | 69.02,-132.82 | 57.09 | 04/20/2025 | 20:44:07 | 69.03,-132.89 | 57.10 | 2.99 | 59 |
| 4 | 04/20/2025 | 21:33:52 | -69.05, 34.45 | 122.89 | 04/20/2025 | 21:34:37 | -69.03, 34.49 | 122.92 | 2.63 | 45 |
| 5 | 04/20/2025 | 22:24:38 | 69.02,-158.20 | 57.06 | 04/20/2025 | 22:25:04 | 69.03,-158.13 | 57.07 | 2.97 | 26 |
| 6 | 04/20/2025 | 23:15:21 | -69.00, 9.15 | 122.97 | 04/20/2025 | 23:15:35 | -68.98, 9.18 | 122.99 | 2.27 | 14 |
| 7 | 04/21/2025 | 00:06:07 | 68.96, 176.50 | 56.99 | 04/21/2025 | 00:06:02 | 68.97, 176.56 | 57.00 | 2.75 | 5 |
| 8 | 04/21/2025 | 00:56:50 | -68.94, -16.15 | 123.05 | 04/21/2025 | 00:56:33 | -68.93, -16.13 | 123.07 | 1.95 | 17 |
| 9 | 04/21/2025 | 01:47:36 | 68.91, 151.20 | 56.91 | 04/21/2025 | 01:47:00 | 68.92, 151.25 | 56.92 | 2.58 | 36 |
| 10 | 04/21/2025 | 02:38:19 | -68.89, -41.45 | 123.13 | 04/21/2025 | 02:37:31 | -68.87, -41.44 | 123.14 | 1.65 | 48 |
| 11 | 04/21/2025 | 03:29:05 | 68.85, 125.90 | 56.83 | 04/21/2025 | 03:27:58 | 68.87, 125.94 | 56.85 | 2.47 | 67 |
| 12 | 04/21/2025 | 04:19:45 | -68.67, -66.54 | 123.37 | 04/21/2025 | 04:18:31 | -68.71, -66.89 | 123.32 | 14.83 | 74 |
| 13 | 04/21/2025 | 05:10:19 | 67.99, 101.65 | 55.93 | 04/21/2025 | 05:09:11 | 68.00, 99.59 | 55.97 | 85.94 | 68 |
| 14 | 05/03/2025 | 17:27:01 | -69.80, 95.18 | 126.20 | 05/03/2025 | 17:28:10 | -69.71, 97.08 | 126.30 | 73.51 | 69 |
| 15 | 05/03/2025 | 18:17:35 | 69.16, -96.59 | 53.15 | 05/03/2025 | 18:18:48 | 69.11, -96.39 | 53.09 | 9.94 | 73 |
| 16 | 05/03/2025 | 19:08:17 | -69.05, 70.87 | 126.98 | 05/03/2025 | 19:09:19 | -69.07, 70.93 | 126.97 | 2.63 | 62 |
| 17 | 05/03/2025 | 19:59:02 | 69.00,-121.74 | 52.96 | 05/03/2025 | 19:59:47 | 69.00,-121.77 | 52.96 | 1.19 | 45 |
| 18 | 05/03/2025 | 20:49:46 | -69.00, 45.57 | 127.05 | 05/03/2025 | 20:50:17 | -69.01, 45.62 | 127.04 | 2.21 | 31 |
| 19 | 05/03/2025 | 21:40:31 | 68.95,-147.04 | 52.89 | 05/03/2025 | 21:40:45 | 68.95,-147.08 | 52.89 | 1.59 | 14 |
| 20 | 05/03/2025 | 22:31:15 | -68.95, 20.27 | 127.12 | 05/03/2025 | 22:31:15 | -68.96, 20.31 | 127.12 | 1.80 | 0 |
| 21 | 05/03/2025 | 23:22:00 | 68.90,-172.35 | 52.82 | 05/03/2025 | 23:21:43 | 68.89,-172.39 | 52.81 | 1.99 | 17 |
| 22 | 05/04/2025 | 00:12:44 | -68.90, -5.03 | 127.20 | 05/04/2025 | 00:12:13 | -68.90, -5.00 | 127.19 | 1.42 | 31 |
| 23 | 05/04/2025 | 01:03:29 | 68.84, 162.35 | 52.74 | 05/04/2025 | 01:02:41 | 68.84, 162.29 | 52.74 | 2.37 | 48 |
| 24 | 05/04/2025 | 01:54:13 | -68.84, -30.33 | 127.27 | 05/04/2025 | 01:53:11 | -68.85, -30.31 | 127.26 | 1.05 | 62 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/20/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/20/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C