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: 7/30/2025
| 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 | 08/03/2025 | 20:49:40 | 70.28,-136.37 | 53.02 | 08/03/2025 | 20:48:30 | 70.27,-137.89 | 53.10 | 56.94 | 70 |
| 2 | 08/03/2025 | 21:40:31 | -70.63, 30.38 | 126.60 | 08/03/2025 | 21:39:17 | -70.65, 30.01 | 126.55 | 13.96 | 74 |
| 3 | 08/03/2025 | 22:31:19 | 70.76,-162.51 | 53.55 | 08/03/2025 | 22:30:17 | 70.76,-162.56 | 53.56 | 1.97 | 62 |
| 4 | 08/03/2025 | 23:22:04 | -70.79, 4.75 | 126.41 | 08/03/2025 | 23:21:11 | -70.77, 4.73 | 126.42 | 2.35 | 53 |
| 5 | 08/04/2025 | 00:12:50 | 70.81, 172.02 | 53.63 | 08/04/2025 | 00:12:12 | 70.83, 172.07 | 53.65 | 2.53 | 38 |
| 6 | 08/04/2025 | 01:03:34 | -70.80, -20.64 | 126.39 | 08/04/2025 | 01:03:07 | -70.79, -20.72 | 126.39 | 3.12 | 27 |
| 7 | 08/04/2025 | 01:54:20 | 70.82, 146.64 | 53.65 | 08/04/2025 | 01:54:08 | 70.85, 146.62 | 53.68 | 3.20 | 12 |
| 8 | 08/04/2025 | 02:45:05 | -70.85, -46.11 | 126.31 | 08/04/2025 | 02:45:02 | -70.86, -46.08 | 126.30 | 1.03 | 3 |
| 9 | 08/04/2025 | 03:35:50 | 70.88, 121.17 | 53.73 | 08/04/2025 | 03:36:03 | 70.87, 121.17 | 53.72 | 1.20 | 13 |
| 10 | 08/04/2025 | 04:26:34 | -70.86, -71.49 | 126.28 | 08/04/2025 | 04:26:57 | -70.88, -71.53 | 126.27 | 2.69 | 23 |
| 11 | 08/04/2025 | 05:17:20 | 70.88, 95.79 | 53.75 | 08/04/2025 | 05:17:59 | 70.88, 95.72 | 53.75 | 2.45 | 39 |
| 12 | 08/04/2025 | 06:08:05 | -70.92, -96.96 | 126.20 | 08/04/2025 | 06:08:53 | -70.90, -96.99 | 126.23 | 2.45 | 48 |
| 13 | 08/04/2025 | 06:58:51 | 70.94, 70.31 | 53.83 | 08/04/2025 | 06:59:54 | 70.95, 70.36 | 53.84 | 2.27 | 63 |
| 14 | 08/04/2025 | 07:49:36 | -70.97,-122.43 | 126.13 | 08/04/2025 | 07:50:48 | -70.97,-122.35 | 126.15 | 2.98 | 72 |
| 15 | 08/04/2025 | 08:40:32 | 71.52, 43.94 | 54.47 | 08/04/2025 | 08:41:41 | 71.44, 45.73 | 54.30 | 64.03 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/30/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19