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: 7/7/2025
| 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 | 07/07/2025 | 14:36:33 | 69.96, -42.23 | 47.42 | 07/07/2025 | 14:37:39 | 69.88, -39.69 | 47.27 | 97.59 | 66 |
| 2 | 07/07/2025 | 15:27:07 | -69.46, 125.82 | 133.11 | 07/07/2025 | 15:28:18 | -69.40, 126.98 | 133.21 | 45.77 | 71 |
| 3 | 07/07/2025 | 16:17:44 | 68.96, -66.16 | 46.38 | 07/07/2025 | 16:18:53 | 68.97, -66.22 | 46.39 | 3.16 | 69 |
| 4 | 07/07/2025 | 17:08:28 | -68.99, 101.12 | 133.59 | 07/07/2025 | 17:09:23 | -68.97, 101.15 | 133.62 | 2.67 | 55 |
| 5 | 07/07/2025 | 17:59:13 | 68.91, -91.46 | 46.33 | 07/07/2025 | 17:59:51 | 68.92, -91.53 | 46.34 | 2.98 | 38 |
| 6 | 07/07/2025 | 18:49:57 | -68.94, 75.81 | 133.63 | 07/07/2025 | 18:50:21 | -68.91, 75.84 | 133.66 | 3.09 | 24 |
| 7 | 07/07/2025 | 19:40:42 | 68.86,-116.77 | 46.29 | 07/07/2025 | 19:40:49 | 68.87,-116.84 | 46.30 | 2.88 | 7 |
| 8 | 07/07/2025 | 20:31:25 | -68.84, 50.58 | 133.73 | 07/07/2025 | 20:31:19 | -68.86, 50.53 | 133.70 | 3.13 | 6 |
| 9 | 07/07/2025 | 21:22:11 | 68.81,-142.08 | 46.25 | 07/07/2025 | 21:21:47 | 68.81,-142.15 | 46.26 | 2.85 | 24 |
| 10 | 07/07/2025 | 22:12:54 | -68.79, 25.27 | 133.77 | 07/07/2025 | 22:12:17 | -68.81, 25.22 | 133.75 | 2.76 | 37 |
| 11 | 07/07/2025 | 23:03:40 | 68.76,-167.39 | 46.21 | 07/07/2025 | 23:02:45 | 68.76,-167.46 | 46.21 | 2.90 | 55 |
| 12 | 07/07/2025 | 23:54:23 | -68.74, -0.04 | 133.81 | 07/07/2025 | 23:53:15 | -68.75, -0.09 | 133.79 | 2.42 | 68 |
| 13 | 07/08/2025 | 00:45:01 | 68.28, 167.87 | 45.72 | 07/08/2025 | 00:43:50 | 68.33, 166.74 | 45.80 | 46.74 | 71 |
| 14 | 07/08/2025 | 01:35:36 | -67.83, -24.24 | 134.73 | 07/08/2025 | 01:34:29 | -67.84, -26.50 | 134.67 | 94.46 | 67 |
| 15 | 07/20/2025 | 13:52:11 | 69.95, -31.08 | 49.38 | 07/20/2025 | 13:53:17 | 69.86, -28.56 | 49.23 | 96.99 | 66 |
| 16 | 07/20/2025 | 14:42:45 | -69.45, 136.97 | 131.14 | 07/20/2025 | 14:43:56 | -69.39, 138.14 | 131.23 | 45.85 | 71 |
| 17 | 07/20/2025 | 15:33:23 | 69.00, -55.08 | 48.40 | 07/20/2025 | 15:34:30 | 69.01, -55.01 | 48.40 | 2.86 | 67 |
| 18 | 07/20/2025 | 16:24:06 | -68.98, 112.27 | 131.62 | 07/20/2025 | 16:25:01 | -68.96, 112.31 | 131.63 | 1.99 | 55 |
| 19 | 07/20/2025 | 17:14:52 | 68.95, -80.39 | 48.37 | 07/20/2025 | 17:15:28 | 68.95, -80.32 | 48.36 | 2.55 | 36 |
| 20 | 07/20/2025 | 18:05:35 | -68.93, 86.96 | 131.65 | 07/20/2025 | 18:05:59 | -68.91, 86.99 | 131.67 | 2.39 | 24 |
| 21 | 07/20/2025 | 18:56:21 | 68.90,-105.70 | 48.33 | 07/20/2025 | 18:56:26 | 68.90,-105.64 | 48.32 | 2.42 | 5 |
| 22 | 07/20/2025 | 19:47:04 | -68.88, 61.65 | 131.69 | 07/20/2025 | 19:46:57 | -68.86, 61.68 | 131.71 | 2.91 | 7 |
| 23 | 07/20/2025 | 20:37:50 | 68.85,-131.00 | 48.29 | 07/20/2025 | 20:37:24 | 68.84,-130.95 | 48.28 | 2.51 | 26 |
| 24 | 07/20/2025 | 21:28:32 | -68.78, 36.42 | 131.78 | 07/20/2025 | 21:27:55 | -68.80, 36.37 | 131.75 | 3.14 | 37 |
| 25 | 07/20/2025 | 22:19:19 | 68.80,-156.31 | 48.25 | 07/20/2025 | 22:18:22 | 68.79,-156.26 | 48.24 | 2.78 | 57 |
| 26 | 07/20/2025 | 23:10:01 | -68.73, 11.11 | 131.82 | 07/20/2025 | 23:08:53 | -68.75, 11.06 | 131.79 | 2.62 | 68 |
| 27 | 07/21/2025 | 00:00:39 | 68.27, 179.02 | 47.72 | 07/20/2025 | 23:59:28 | 68.30, 177.87 | 47.79 | 47.29 | 71 |
| 28 | 07/21/2025 | 00:51:14 | -67.82, -13.10 | 132.73 | 07/21/2025 | 00:50:07 | -67.83, -15.34 | 132.66 | 94.24 | 67 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 7/7/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 07/07/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C