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: 9/21/2025
| 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 | 09/23/2025 | 08:29:40 | 69.63, 50.21 | 69.75 | 09/23/2025 | 08:30:49 | 69.55, 51.94 | 69.68 | 67.41 | 69 |
| 2 | 09/23/2025 | 09:20:15 | -69.15,-141.78 | 110.72 | 09/23/2025 | 09:21:28 | -69.07,-141.37 | 110.81 | 18.68 | 73 |
| 3 | 09/23/2025 | 10:10:57 | 68.94, 25.83 | 69.08 | 09/23/2025 | 10:11:58 | 68.91, 25.80 | 69.06 | 3.37 | 61 |
| 4 | 09/23/2025 | 11:01:40 | -68.88,-166.78 | 110.96 | 09/23/2025 | 11:02:28 | -68.91,-166.83 | 110.94 | 3.03 | 48 |
| 5 | 09/23/2025 | 11:52:26 | 68.88, 0.53 | 69.06 | 09/23/2025 | 11:52:56 | 68.86, 0.50 | 69.03 | 3.26 | 30 |
| 6 | 09/23/2025 | 12:43:10 | -68.88, 167.85 | 110.94 | 09/23/2025 | 12:43:26 | -68.85, 167.87 | 110.97 | 3.31 | 16 |
| 7 | 09/23/2025 | 13:33:55 | 68.83, -24.77 | 69.03 | 09/23/2025 | 13:33:54 | 68.80, -24.81 | 69.00 | 3.18 | 1 |
| 8 | 09/23/2025 | 14:24:39 | -68.83, 142.55 | 110.96 | 09/23/2025 | 14:24:24 | -68.80, 142.56 | 110.99 | 3.01 | 15 |
| 9 | 09/23/2025 | 15:15:24 | 68.77, -50.07 | 69.00 | 09/23/2025 | 15:14:52 | 68.75, -50.12 | 68.98 | 3.14 | 32 |
| 10 | 09/23/2025 | 16:06:08 | -68.77, 117.24 | 110.99 | 09/23/2025 | 16:05:22 | -68.75, 117.25 | 111.02 | 2.73 | 46 |
| 11 | 09/23/2025 | 16:56:53 | 68.72, -75.38 | 68.97 | 09/23/2025 | 16:55:50 | 68.70, -75.43 | 68.95 | 3.12 | 63 |
| 12 | 09/23/2025 | 17:47:35 | -68.61, 92.09 | 111.13 | 09/23/2025 | 17:46:21 | -68.64, 91.87 | 111.10 | 9.28 | 74 |
| 13 | 09/23/2025 | 18:38:09 | 67.97, -99.77 | 68.25 | 09/23/2025 | 18:37:00 | 68.00,-101.56 | 68.27 | 74.84 | 69 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/21/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/21/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C