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: 9/20/2025
| 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 | 09/23/2025 | 08:29:40 | 69.62, 50.24 | 69.74 | 09/23/2025 | 08:30:49 | 69.57, 51.96 | 69.70 | 67.06 | 69 |
| 2 | 09/23/2025 | 09:20:15 | -69.13,-141.75 | 110.74 | 09/23/2025 | 09:21:28 | -69.08,-141.35 | 110.79 | 17.10 | 73 |
| 3 | 09/23/2025 | 10:10:57 | 68.92, 25.85 | 69.07 | 09/23/2025 | 10:11:58 | 68.93, 25.83 | 69.07 | 0.84 | 61 |
| 4 | 09/23/2025 | 11:01:41 | -68.92,-166.83 | 110.93 | 09/23/2025 | 11:02:28 | -68.92,-166.80 | 110.92 | 1.19 | 47 |
| 5 | 09/23/2025 | 11:52:26 | 68.87, 0.55 | 69.04 | 09/23/2025 | 11:52:56 | 68.87, 0.52 | 69.05 | 1.24 | 30 |
| 6 | 09/23/2025 | 12:43:10 | -68.87, 167.87 | 110.95 | 09/23/2025 | 12:43:26 | -68.87, 167.89 | 110.95 | 0.99 | 16 |
| 7 | 09/23/2025 | 13:33:55 | 68.81, -24.75 | 69.01 | 09/23/2025 | 13:33:54 | 68.82, -24.79 | 69.02 | 1.63 | 1 |
| 8 | 09/23/2025 | 14:24:39 | -68.81, 142.57 | 110.98 | 09/23/2025 | 14:24:24 | -68.82, 142.58 | 110.98 | 0.95 | 15 |
| 9 | 09/23/2025 | 15:15:23 | 68.76, -50.05 | 68.99 | 09/23/2025 | 15:14:51 | 68.77, -50.10 | 68.99 | 2.00 | 32 |
| 10 | 09/23/2025 | 16:06:07 | -68.76, 117.27 | 111.01 | 09/23/2025 | 16:05:21 | -68.76, 117.27 | 111.00 | 1.06 | 46 |
| 11 | 09/23/2025 | 16:56:52 | 68.70, -75.35 | 68.96 | 09/23/2025 | 16:55:49 | 68.72, -75.40 | 68.97 | 2.35 | 63 |
| 12 | 09/23/2025 | 17:47:35 | -68.65, 92.04 | 111.09 | 09/23/2025 | 17:46:20 | -68.66, 91.90 | 111.08 | 5.85 | 75 |
| 13 | 09/23/2025 | 18:38:08 | 67.95, -99.75 | 68.24 | 09/23/2025 | 18:37:00 | 67.96,-101.61 | 68.23 | 77.64 | 68 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/20/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/20/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C