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: 8/1/2025
| 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 | 70.30,-136.40 | 53.04 | 08/03/2025 | 20:48:29 | 70.31,-137.83 | 53.13 | 53.66 | 71 |
| 2 | 08/03/2025 | 21:40:31 | -70.65, 30.35 | 126.58 | 08/03/2025 | 21:39:17 | -70.63, 29.98 | 126.57 | 13.91 | 74 |
| 3 | 08/03/2025 | 22:31:19 | 70.78,-162.54 | 53.57 | 08/03/2025 | 22:30:16 | 70.79,-162.50 | 53.59 | 2.46 | 63 |
| 4 | 08/03/2025 | 23:22:04 | -70.81, 4.71 | 126.39 | 08/03/2025 | 23:21:10 | -70.81, 4.79 | 126.39 | 2.98 | 54 |
| 5 | 08/04/2025 | 00:12:50 | 70.83, 171.99 | 53.65 | 08/04/2025 | 00:12:12 | 70.81, 172.04 | 53.63 | 3.02 | 38 |
| 6 | 08/04/2025 | 01:03:34 | -70.82, -20.67 | 126.37 | 08/04/2025 | 01:03:06 | -70.82, -20.66 | 126.36 | 0.61 | 28 |
| 7 | 08/04/2025 | 01:54:20 | 70.84, 146.61 | 53.67 | 08/04/2025 | 01:54:08 | 70.83, 146.59 | 53.67 | 0.93 | 12 |
| 8 | 08/04/2025 | 02:45:04 | -70.82, -46.05 | 126.34 | 08/04/2025 | 02:45:02 | -70.84, -46.11 | 126.32 | 3.03 | 2 |
| 9 | 08/04/2025 | 03:35:50 | 70.84, 121.22 | 53.69 | 08/04/2025 | 03:36:04 | 70.85, 121.14 | 53.70 | 3.11 | 14 |
| 10 | 08/04/2025 | 04:26:35 | -70.88, -71.52 | 126.26 | 08/04/2025 | 04:26:58 | -70.86, -71.57 | 126.28 | 2.77 | 23 |
| 11 | 08/04/2025 | 05:17:21 | 70.90, 95.75 | 53.77 | 08/04/2025 | 05:17:59 | 70.92, 95.78 | 53.79 | 2.32 | 38 |
| 12 | 08/04/2025 | 06:08:06 | -70.94, -96.99 | 126.18 | 08/04/2025 | 06:08:53 | -70.93, -96.93 | 126.20 | 2.44 | 47 |
| 13 | 08/04/2025 | 06:58:52 | 70.96, 70.28 | 53.85 | 08/04/2025 | 06:59:55 | 70.94, 70.33 | 53.82 | 2.70 | 63 |
| 14 | 08/04/2025 | 07:49:36 | -70.94,-122.37 | 126.16 | 08/04/2025 | 07:50:49 | -70.95,-122.38 | 126.16 | 0.70 | 73 |
| 15 | 08/04/2025 | 08:40:32 | 71.48, 44.00 | 54.43 | 08/04/2025 | 08:41:41 | 71.47, 45.80 | 54.34 | 63.55 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/1/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/01/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19