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: 8/6/2025
| 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 | 03:35:38 | 70.24, 122.20 | 57.83 | 08/20/2025 | 03:34:27 | 70.21, 120.84 | 57.86 | 51.33 | 71 |
| 2 | 08/20/2025 | 04:26:30 | -70.63, -71.11 | 121.75 | 08/20/2025 | 04:25:15 | -70.59, -71.26 | 121.77 | 7.17 | 75 |
| 3 | 08/20/2025 | 05:17:16 | 70.66, 96.15 | 58.30 | 08/20/2025 | 05:16:14 | 70.69, 96.16 | 58.34 | 3.54 | 62 |
| 4 | 08/20/2025 | 06:08:01 | -70.69, -96.58 | 121.67 | 08/20/2025 | 06:07:09 | -70.71, -96.54 | 121.64 | 3.14 | 52 |
| 5 | 08/20/2025 | 06:58:47 | 70.72, 70.68 | 58.38 | 08/20/2025 | 06:58:10 | 70.71, 70.71 | 58.38 | 1.37 | 37 |
| 6 | 08/20/2025 | 07:49:32 | -70.74,-122.05 | 121.58 | 08/20/2025 | 07:49:05 | -70.73,-121.99 | 121.59 | 2.39 | 27 |
| 7 | 08/20/2025 | 08:40:17 | 70.73, 45.29 | 58.41 | 08/20/2025 | 08:40:06 | 70.73, 45.25 | 58.42 | 1.58 | 11 |
| 8 | 08/20/2025 | 09:31:02 | -70.75,-147.43 | 121.56 | 08/20/2025 | 09:31:01 | -70.75,-147.45 | 121.55 | 0.60 | 1 |
| 9 | 08/20/2025 | 10:21:47 | 70.78, 19.82 | 58.50 | 08/20/2025 | 10:22:00 | 70.80, 19.89 | 58.51 | 3.02 | 13 |
| 10 | 08/20/2025 | 11:12:31 | -70.75,-172.81 | 121.53 | 08/20/2025 | 11:12:56 | -70.77,-172.90 | 121.51 | 3.42 | 25 |
| 11 | 08/20/2025 | 12:03:17 | 70.79, -5.56 | 58.53 | 08/20/2025 | 12:03:56 | 70.82, -5.56 | 58.55 | 3.25 | 39 |
| 12 | 08/20/2025 | 12:54:02 | -70.81, 161.72 | 121.44 | 08/20/2025 | 12:54:51 | -70.84, 161.74 | 121.42 | 2.97 | 49 |
| 13 | 08/20/2025 | 13:44:48 | 70.85, -31.03 | 58.61 | 08/20/2025 | 13:45:52 | 70.84, -31.01 | 58.59 | 1.31 | 64 |
| 14 | 08/20/2025 | 14:35:33 | -70.87, 136.25 | 121.36 | 08/20/2025 | 14:36:47 | -70.86, 136.29 | 121.38 | 2.12 | 74 |
| 15 | 08/20/2025 | 15:26:29 | 71.43, -57.40 | 59.25 | 08/20/2025 | 15:27:38 | 71.37, -55.55 | 59.12 | 65.73 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/6/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/06/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19