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: 9/13/2025
| 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 | 69.65, 50.19 | 69.77 | 09/23/2025 | 08:30:48 | 69.60, 52.00 | 69.72 | 70.29 | 68 |
| 2 | 09/23/2025 | 09:20:15 | -69.16,-141.79 | 110.72 | 09/23/2025 | 09:21:28 | -69.06,-141.38 | 110.81 | 19.55 | 73 |
| 3 | 09/23/2025 | 10:10:57 | 68.96, 25.80 | 69.10 | 09/23/2025 | 10:11:57 | 68.95, 25.86 | 69.10 | 2.44 | 60 |
| 4 | 09/23/2025 | 11:01:40 | -68.89,-166.79 | 110.96 | 09/23/2025 | 11:02:28 | -68.90,-166.83 | 110.94 | 1.99 | 48 |
| 5 | 09/23/2025 | 11:52:26 | 68.90, 0.50 | 69.07 | 09/23/2025 | 11:52:55 | 68.90, 0.55 | 69.07 | 2.07 | 29 |
| 6 | 09/23/2025 | 12:43:09 | -68.84, 167.91 | 110.98 | 09/23/2025 | 12:43:26 | -68.85, 167.86 | 110.97 | 2.42 | 17 |
| 7 | 09/23/2025 | 13:33:55 | 68.85, -24.80 | 69.05 | 09/23/2025 | 13:33:53 | 68.85, -24.75 | 69.05 | 1.76 | 2 |
| 8 | 09/23/2025 | 14:24:38 | -68.78, 142.61 | 111.01 | 09/23/2025 | 14:24:24 | -68.80, 142.56 | 110.99 | 2.84 | 14 |
| 9 | 09/23/2025 | 15:15:24 | 68.79, -50.10 | 69.02 | 09/23/2025 | 15:14:51 | 68.80, -50.06 | 69.02 | 1.54 | 33 |
| 10 | 09/23/2025 | 16:06:07 | -68.73, 117.31 | 111.04 | 09/23/2025 | 16:05:22 | -68.75, 117.25 | 111.02 | 3.23 | 45 |
| 11 | 09/23/2025 | 16:56:53 | 68.74, -75.40 | 68.99 | 09/23/2025 | 16:55:49 | 68.74, -75.37 | 69.00 | 1.42 | 64 |
| 12 | 09/23/2025 | 17:47:35 | -68.62, 92.08 | 111.12 | 09/23/2025 | 17:46:21 | -68.64, 91.87 | 111.10 | 8.69 | 74 |
| 13 | 09/23/2025 | 18:38:09 | 67.98, -99.79 | 68.27 | 09/23/2025 | 18:37:00 | 67.99,-101.58 | 68.26 | 74.41 | 69 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/13/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/13/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C