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: 8/10/2025
| 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 | 70.21, 122.23 | 57.81 | 08/20/2025 | 03:34:27 | 70.21, 120.84 | 57.86 | 52.66 | 70 |
| 2 | 08/20/2025 | 04:26:29 | -70.61, -71.08 | 121.77 | 08/20/2025 | 04:25:14 | -70.64, -71.19 | 121.73 | 5.00 | 75 |
| 3 | 08/20/2025 | 05:17:16 | 70.69, 96.10 | 58.33 | 08/20/2025 | 05:16:14 | 70.69, 96.16 | 58.34 | 2.12 | 62 |
| 4 | 08/20/2025 | 06:08:01 | -70.72, -96.63 | 121.63 | 08/20/2025 | 06:07:09 | -70.71, -96.55 | 121.64 | 3.30 | 52 |
| 5 | 08/20/2025 | 06:58:46 | 70.70, 70.71 | 58.36 | 08/20/2025 | 06:58:10 | 70.71, 70.70 | 58.38 | 1.53 | 36 |
| 6 | 08/20/2025 | 07:49:31 | -70.73,-122.02 | 121.60 | 08/20/2025 | 07:49:05 | -70.73,-122.00 | 121.60 | 0.46 | 26 |
| 7 | 08/20/2025 | 08:40:17 | 70.76, 45.24 | 58.45 | 08/20/2025 | 08:40:06 | 70.73, 45.25 | 58.42 | 3.01 | 11 |
| 8 | 08/20/2025 | 09:31:01 | -70.73,-147.40 | 121.57 | 08/20/2025 | 09:31:01 | -70.74,-147.46 | 121.56 | 2.47 | 0 |
| 9 | 08/20/2025 | 10:21:47 | 70.76, 19.86 | 58.48 | 08/20/2025 | 10:22:02 | 70.75, 19.80 | 58.46 | 2.84 | 15 |
| 10 | 08/20/2025 | 11:12:32 | -70.79,-172.87 | 121.49 | 08/20/2025 | 11:12:56 | -70.81,-172.82 | 121.47 | 3.28 | 24 |
| 11 | 08/20/2025 | 12:03:18 | 70.82, -5.61 | 58.56 | 08/20/2025 | 12:03:57 | 70.82, -5.57 | 58.55 | 1.62 | 39 |
| 12 | 08/20/2025 | 12:54:03 | -70.85, 161.66 | 121.40 | 08/20/2025 | 12:54:52 | -70.83, 161.73 | 121.43 | 3.01 | 49 |
| 13 | 08/20/2025 | 13:44:48 | 70.83, -30.99 | 58.59 | 08/20/2025 | 13:45:53 | 70.84, -31.02 | 58.59 | 1.35 | 65 |
| 14 | 08/20/2025 | 14:35:34 | -70.91, 136.19 | 121.32 | 08/20/2025 | 14:36:47 | -70.90, 136.37 | 121.34 | 6.42 | 73 |
| 15 | 08/20/2025 | 15:26:30 | 71.46, -57.45 | 59.28 | 08/20/2025 | 15:27:38 | 71.42, -55.46 | 59.17 | 70.48 | 68 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/10/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/10/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19