Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between METOP-B and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/6/2025
| Index | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 04/19/2025 | 17:42:06 | 74.80, -94.67 | 63.48 | 04/19/2025 | 17:41:01 | 74.81, -98.10 | 63.68 | 99.95 | 65 |
| 2 | 04/19/2025 | 18:32:50 | -74.70, 72.37 | 116.63 | 04/19/2025 | 18:31:43 | -74.71, 69.50 | 116.45 | 84.09 | 67 |
| 3 | 04/19/2025 | 19:23:34 | 74.49,-120.84 | 63.18 | 04/19/2025 | 19:22:24 | 74.47,-122.56 | 63.27 | 51.22 | 70 |
| 4 | 04/19/2025 | 20:14:18 | -74.39, 46.22 | 116.93 | 04/19/2025 | 20:13:06 | -74.37, 45.03 | 116.86 | 35.57 | 72 |
| 5 | 04/19/2025 | 21:05:02 | 74.18,-146.97 | 62.89 | 04/19/2025 | 21:03:48 | 74.18,-147.17 | 62.92 | 6.13 | 74 |
| 6 | 04/19/2025 | 21:55:45 | -74.12, 20.22 | 117.18 | 04/19/2025 | 21:54:31 | -74.12, 20.28 | 117.16 | 1.92 | 74 |
| 7 | 04/19/2025 | 22:46:25 | 74.11,-172.47 | 62.81 | 04/19/2025 | 22:45:17 | 74.13,-172.42 | 62.84 | 2.58 | 68 |
| 8 | 04/19/2025 | 23:37:07 | -74.11, -5.17 | 117.22 | 04/19/2025 | 23:36:01 | -74.12, -5.09 | 117.19 | 3.10 | 66 |
| 9 | 04/20/2025 | 00:27:46 | 74.14, 162.26 | 62.81 | 04/20/2025 | 00:26:47 | 74.13, 162.21 | 62.81 | 2.32 | 59 |
| 10 | 04/20/2025 | 01:18:28 | -74.14, -30.43 | 117.21 | 04/20/2025 | 01:17:31 | -74.12, -30.46 | 117.21 | 1.81 | 57 |
| 11 | 04/20/2025 | 02:09:08 | 74.13, 136.88 | 62.77 | 04/20/2025 | 02:08:17 | 74.13, 136.83 | 62.79 | 1.36 | 51 |
| 12 | 04/20/2025 | 02:59:50 | -74.12, -55.81 | 117.25 | 04/20/2025 | 02:59:01 | -74.12, -55.84 | 117.24 | 0.84 | 49 |
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 4/6/2025
Download SNOs between METOP-B and NPP since TLE EPOCH: 04/06/2025 in txt file.
Historial Predications of SNOs between METOP-B and NPP