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: 8/14/2025
| 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 | 12:23:18 | 69.82, -8.58 | 55.89 | 08/15/2025 | 12:24:25 | 69.74, -6.38 | 55.76 | 85.09 | 67 |
| 2 | 08/15/2025 | 13:13:52 | -69.33, 159.44 | 124.60 | 08/15/2025 | 13:15:04 | -69.25, 160.30 | 124.71 | 34.92 | 72 |
| 3 | 08/15/2025 | 14:04:32 | 68.98, -32.75 | 55.04 | 08/15/2025 | 14:05:36 | 68.98, -32.69 | 55.04 | 2.51 | 64 |
| 4 | 08/15/2025 | 14:55:14 | -68.92, 134.66 | 125.01 | 08/15/2025 | 14:56:07 | -68.93, 134.62 | 125.00 | 2.08 | 53 |
| 5 | 08/15/2025 | 15:46:00 | 68.93, -58.06 | 55.02 | 08/15/2025 | 15:46:33 | 68.92, -58.00 | 55.01 | 2.30 | 33 |
| 6 | 08/15/2025 | 16:36:42 | -68.87, 109.35 | 125.04 | 08/15/2025 | 16:37:04 | -68.87, 109.31 | 125.04 | 1.61 | 22 |
| 7 | 08/15/2025 | 17:27:29 | 68.88, -83.37 | 54.99 | 08/15/2025 | 17:27:31 | 68.87, -83.31 | 54.97 | 2.62 | 2 |
| 8 | 08/15/2025 | 18:18:11 | -68.82, 84.04 | 125.07 | 08/15/2025 | 18:18:02 | -68.82, 83.99 | 125.07 | 1.75 | 9 |
| 9 | 08/15/2025 | 19:08:58 | 68.83,-108.68 | 54.96 | 08/15/2025 | 19:08:29 | 68.81,-108.63 | 54.94 | 3.31 | 29 |
| 10 | 08/15/2025 | 19:59:40 | -68.77, 58.72 | 125.09 | 08/15/2025 | 19:59:00 | -68.76, 58.68 | 125.10 | 2.41 | 40 |
| 11 | 08/15/2025 | 20:50:26 | 68.73,-133.91 | 54.88 | 08/15/2025 | 20:49:27 | 68.75,-133.94 | 54.91 | 2.43 | 59 |
| 12 | 08/15/2025 | 21:41:09 | -68.73, 33.41 | 125.12 | 08/15/2025 | 21:39:58 | -68.70, 33.37 | 125.14 | 3.28 | 71 |
| 13 | 08/15/2025 | 22:31:45 | 68.15,-158.52 | 54.31 | 08/15/2025 | 22:30:35 | 68.16,-159.95 | 54.35 | 59.09 | 70 |
| 14 | 08/28/2025 | 11:38:45 | 69.68, 2.78 | 60.08 | 08/28/2025 | 11:39:53 | 69.63, 4.67 | 60.00 | 73.10 | 68 |
| 15 | 08/28/2025 | 12:29:20 | -69.22, 170.77 | 120.39 | 08/28/2025 | 12:30:32 | -69.16, 171.38 | 120.46 | 24.90 | 72 |
| 16 | 08/28/2025 | 13:20:01 | 68.95, -21.54 | 59.35 | 08/28/2025 | 13:21:03 | 68.93, -21.55 | 59.33 | 1.81 | 62 |
| 17 | 08/28/2025 | 14:10:44 | -68.91, 145.83 | 120.68 | 08/28/2025 | 14:11:34 | -68.89, 145.77 | 120.70 | 3.33 | 50 |
| 18 | 08/28/2025 | 15:01:30 | 68.90, -46.85 | 59.33 | 08/28/2025 | 15:02:01 | 68.87, -46.87 | 59.30 | 3.11 | 31 |
| 19 | 08/28/2025 | 15:52:13 | -68.86, 120.52 | 120.70 | 08/28/2025 | 15:52:31 | -68.88, 120.52 | 120.68 | 2.45 | 18 |
| 20 | 08/28/2025 | 16:42:59 | 68.85, -72.16 | 59.30 | 08/28/2025 | 16:42:58 | 68.87, -72.11 | 59.32 | 2.71 | 1 |
| 21 | 08/28/2025 | 17:33:42 | -68.82, 95.21 | 120.72 | 08/28/2025 | 17:33:29 | -68.83, 95.21 | 120.71 | 1.18 | 13 |
| 22 | 08/28/2025 | 18:24:28 | 68.81, -97.47 | 59.28 | 08/28/2025 | 18:23:56 | 68.81, -97.42 | 59.29 | 2.05 | 32 |
| 23 | 08/28/2025 | 19:15:11 | -68.77, 69.89 | 120.75 | 08/28/2025 | 19:14:27 | -68.77, 69.90 | 120.75 | 0.16 | 44 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 8/14/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 08/14/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C