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: 8/11/2025
| 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 | 70.23, 122.21 | 57.82 | 08/20/2025 | 03:34:26 | 70.24, 120.89 | 57.90 | 49.53 | 71 |
| 2 | 08/20/2025 | 04:26:29 | -70.63, -71.11 | 121.75 | 08/20/2025 | 04:25:14 | -70.62, -71.22 | 121.74 | 4.14 | 75 |
| 3 | 08/20/2025 | 05:17:15 | 70.66, 96.16 | 58.30 | 08/20/2025 | 05:16:14 | 70.68, 96.13 | 58.32 | 2.41 | 61 |
| 4 | 08/20/2025 | 06:08:00 | -70.69, -96.58 | 121.67 | 08/20/2025 | 06:07:09 | -70.69, -96.58 | 121.66 | 0.49 | 51 |
| 5 | 08/20/2025 | 06:58:46 | 70.72, 70.69 | 58.38 | 08/20/2025 | 06:58:10 | 70.70, 70.67 | 58.36 | 2.39 | 36 |
| 6 | 08/20/2025 | 07:49:30 | -70.69,-121.96 | 121.64 | 08/20/2025 | 07:49:05 | -70.71,-122.03 | 121.62 | 3.31 | 25 |
| 7 | 08/20/2025 | 08:40:16 | 70.72, 45.30 | 58.41 | 08/20/2025 | 08:40:06 | 70.71, 45.22 | 58.40 | 3.19 | 10 |
| 8 | 08/20/2025 | 09:31:01 | -70.75,-147.43 | 121.55 | 08/20/2025 | 09:31:01 | -70.73,-147.49 | 121.57 | 3.28 | 0 |
| 9 | 08/20/2025 | 10:21:47 | 70.78, 19.83 | 58.49 | 08/20/2025 | 10:22:01 | 70.78, 19.86 | 58.49 | 0.90 | 14 |
| 10 | 08/20/2025 | 11:12:32 | -70.81,-172.90 | 121.47 | 08/20/2025 | 11:12:56 | -70.80,-172.85 | 121.49 | 2.13 | 24 |
| 11 | 08/20/2025 | 12:03:17 | 70.79, -5.55 | 58.52 | 08/20/2025 | 12:03:57 | 70.80, -5.60 | 58.53 | 2.38 | 40 |
| 12 | 08/20/2025 | 12:54:02 | -70.81, 161.72 | 121.44 | 08/20/2025 | 12:54:52 | -70.82, 161.70 | 121.45 | 0.75 | 50 |
| 13 | 08/20/2025 | 13:44:48 | 70.84, -31.02 | 58.61 | 08/20/2025 | 13:45:53 | 70.82, -31.05 | 58.57 | 2.96 | 65 |
| 14 | 08/20/2025 | 14:35:33 | -70.87, 136.25 | 121.36 | 08/20/2025 | 14:36:47 | -70.89, 136.34 | 121.36 | 3.57 | 74 |
| 15 | 08/20/2025 | 15:26:29 | 71.42, -57.39 | 59.25 | 08/20/2025 | 15:27:38 | 71.40, -55.50 | 59.15 | 67.13 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/11/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/11/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19