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: 8/13/2025
| 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 | 08/20/2025 | 03:35:37 | 70.22, 122.22 | 57.81 | 08/20/2025 | 03:34:26 | 70.26, 120.92 | 57.91 | 49.28 | 71 |
| 2 | 08/20/2025 | 04:26:29 | -70.62, -71.10 | 121.76 | 08/20/2025 | 04:25:14 | -70.63, -71.20 | 121.73 | 3.84 | 75 |
| 3 | 08/20/2025 | 05:17:16 | 70.70, 96.08 | 58.34 | 08/20/2025 | 05:16:14 | 70.69, 96.15 | 58.34 | 2.61 | 62 |
| 4 | 08/20/2025 | 06:08:00 | -70.68, -96.57 | 121.67 | 08/20/2025 | 06:07:09 | -70.70, -96.56 | 121.64 | 2.62 | 51 |
| 5 | 08/20/2025 | 06:58:46 | 70.71, 70.70 | 58.37 | 08/20/2025 | 06:58:10 | 70.71, 70.70 | 58.38 | 0.43 | 36 |
| 6 | 08/20/2025 | 07:49:31 | -70.74,-122.03 | 121.59 | 08/20/2025 | 07:49:05 | -70.72,-122.01 | 121.60 | 1.94 | 26 |
| 7 | 08/20/2025 | 08:40:16 | 70.71, 45.32 | 58.40 | 08/20/2025 | 08:40:06 | 70.73, 45.25 | 58.42 | 3.17 | 10 |
| 8 | 08/20/2025 | 09:31:01 | -70.74,-147.42 | 121.56 | 08/20/2025 | 09:31:01 | -70.74,-147.46 | 121.56 | 1.69 | 0 |
| 9 | 08/20/2025 | 10:21:47 | 70.77, 19.85 | 58.48 | 08/20/2025 | 10:22:02 | 70.75, 19.79 | 58.46 | 3.31 | 15 |
| 10 | 08/20/2025 | 11:12:32 | -70.80,-172.89 | 121.48 | 08/20/2025 | 11:12:56 | -70.81,-172.83 | 121.47 | 2.45 | 24 |
| 11 | 08/20/2025 | 12:03:18 | 70.83, -5.62 | 58.57 | 08/20/2025 | 12:03:57 | 70.82, -5.57 | 58.55 | 2.35 | 39 |
| 12 | 08/20/2025 | 12:54:02 | -70.81, 161.73 | 121.45 | 08/20/2025 | 12:54:52 | -70.83, 161.72 | 121.43 | 2.49 | 50 |
| 13 | 08/20/2025 | 13:44:48 | 70.84, -31.01 | 58.60 | 08/20/2025 | 13:45:53 | 70.84, -31.02 | 58.59 | 0.57 | 65 |
| 14 | 08/20/2025 | 14:35:34 | -70.92, 136.17 | 121.31 | 08/20/2025 | 14:36:47 | -70.90, 136.36 | 121.34 | 7.10 | 73 |
| 15 | 08/20/2025 | 15:26:30 | 71.47, -57.46 | 59.29 | 08/20/2025 | 15:27:38 | 71.42, -55.47 | 59.17 | 70.90 | 68 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/13/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/13/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19