Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/7/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (NOAA-19) | Time (NOAA-19) | Lat,Lon (NOAA-19) | SZA (NOAA-19 ) | Distance(km) | Time Diff (sec) |
| 1 | 07/18/2025 | 14:03:39 | 70.36, -34.98 | 49.46 | 07/18/2025 | 14:02:29 | 70.36, -36.57 | 49.55 | 59.42 | 70 |
| 2 | 07/18/2025 | 14:54:32 | -70.83, 131.58 | 130.04 | 07/18/2025 | 14:53:17 | -70.81, 131.45 | 130.04 | 5.03 | 75 |
| 3 | 07/18/2025 | 15:45:19 | 70.89, -61.21 | 50.03 | 07/18/2025 | 15:44:15 | 70.90, -61.15 | 50.05 | 2.58 | 64 |
| 4 | 07/18/2025 | 16:36:03 | -70.88, 106.11 | 129.97 | 07/18/2025 | 16:35:12 | -70.88, 106.09 | 129.96 | 0.78 | 51 |
| 5 | 07/18/2025 | 17:26:49 | 70.89, -86.60 | 50.05 | 07/18/2025 | 17:26:11 | 70.92, -86.60 | 50.08 | 2.96 | 38 |
| 6 | 07/18/2025 | 18:17:34 | -70.94, 80.64 | 129.90 | 07/18/2025 | 18:17:07 | -70.95, 80.73 | 129.88 | 3.54 | 27 |
| 7 | 07/18/2025 | 19:08:20 | 70.95,-112.07 | 50.12 | 07/18/2025 | 19:08:07 | 70.94,-112.05 | 50.11 | 1.24 | 13 |
| 8 | 07/18/2025 | 19:59:04 | -70.94, 55.26 | 129.88 | 07/18/2025 | 19:59:03 | -70.97, 55.28 | 129.85 | 3.41 | 1 |
| 9 | 07/18/2025 | 20:49:50 | 70.95,-137.45 | 50.14 | 07/18/2025 | 20:50:03 | 70.96,-137.50 | 50.15 | 1.90 | 13 |
| 10 | 07/18/2025 | 21:40:35 | -71.00, 29.79 | 129.81 | 07/18/2025 | 21:40:59 | -70.99, 29.83 | 129.82 | 1.59 | 24 |
| 11 | 07/18/2025 | 22:31:21 | 71.01,-162.92 | 50.21 | 07/18/2025 | 22:31:59 | 70.98,-162.94 | 50.18 | 3.38 | 38 |
| 12 | 07/18/2025 | 23:22:05 | -71.00, 4.41 | 129.79 | 07/18/2025 | 23:22:55 | -71.01, 4.38 | 129.79 | 1.45 | 50 |
| 13 | 07/19/2025 | 00:12:52 | 71.06, 171.61 | 50.29 | 07/19/2025 | 00:13:54 | 71.05, 171.70 | 50.26 | 3.49 | 62 |
| 14 | 07/19/2025 | 01:03:37 | -71.11, -21.15 | 129.66 | 07/19/2025 | 01:04:50 | -71.08, -20.98 | 129.71 | 6.89 | 73 |
| 15 | 07/19/2025 | 01:54:32 | 71.59, 145.32 | 50.86 | 07/19/2025 | 01:55:41 | 71.53, 147.09 | 50.72 | 62.47 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/7/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/07/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19