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: 7/22/2025
| 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 | 70.27,-136.37 | 53.02 | 08/03/2025 | 20:48:30 | 70.28,-137.88 | 53.10 | 57.04 | 70 |
| 2 | 08/03/2025 | 21:40:32 | -70.67, 30.32 | 126.56 | 08/03/2025 | 21:39:17 | -70.66, 30.02 | 126.54 | 10.90 | 75 |
| 3 | 08/03/2025 | 22:31:19 | 70.75,-162.50 | 53.54 | 08/03/2025 | 22:30:17 | 70.76,-162.56 | 53.56 | 2.30 | 62 |
| 4 | 08/03/2025 | 23:22:04 | -70.78, 4.77 | 126.43 | 08/03/2025 | 23:21:11 | -70.78, 4.75 | 126.41 | 0.74 | 53 |
| 5 | 08/04/2025 | 00:12:50 | 70.81, 172.03 | 53.62 | 08/04/2025 | 00:12:12 | 70.83, 172.08 | 53.65 | 3.06 | 38 |
| 6 | 08/04/2025 | 01:03:35 | -70.84, -20.70 | 126.35 | 08/04/2025 | 01:03:06 | -70.85, -20.62 | 126.33 | 3.63 | 29 |
| 7 | 08/04/2025 | 01:54:21 | 70.87, 146.56 | 53.70 | 08/04/2025 | 01:54:08 | 70.85, 146.62 | 53.68 | 3.07 | 13 |
| 8 | 08/04/2025 | 02:45:05 | -70.84, -46.08 | 126.32 | 08/04/2025 | 02:45:02 | -70.87, -46.07 | 126.29 | 3.34 | 3 |
| 9 | 08/04/2025 | 03:35:51 | 70.87, 121.17 | 53.72 | 08/04/2025 | 03:36:04 | 70.87, 121.17 | 53.72 | 0.31 | 13 |
| 10 | 08/04/2025 | 04:26:36 | -70.90, -71.55 | 126.24 | 08/04/2025 | 04:26:58 | -70.89, -71.52 | 126.26 | 1.61 | 22 |
| 11 | 08/04/2025 | 05:17:21 | 70.88, 95.79 | 53.75 | 08/04/2025 | 05:18:00 | 70.89, 95.72 | 53.75 | 2.82 | 39 |
| 12 | 08/04/2025 | 06:08:06 | -70.90, -96.94 | 126.22 | 08/04/2025 | 06:08:54 | -70.91, -96.97 | 126.22 | 1.36 | 48 |
| 13 | 08/04/2025 | 06:58:52 | 70.93, 70.32 | 53.83 | 08/04/2025 | 06:59:55 | 70.96, 70.36 | 53.84 | 2.99 | 63 |
| 14 | 08/04/2025 | 07:49:37 | -70.96,-122.41 | 126.14 | 08/04/2025 | 07:50:49 | -70.98,-122.33 | 126.14 | 3.31 | 72 |
| 15 | 08/04/2025 | 08:40:33 | 71.51, 43.95 | 54.46 | 08/04/2025 | 08:41:42 | 71.44, 45.74 | 54.30 | 63.77 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/22/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/22/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19