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: 8/14/2025
| 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 | 70.26, 122.16 | 57.86 | 08/20/2025 | 03:34:27 | 70.23, 120.87 | 57.88 | 48.86 | 71 |
| 2 | 08/20/2025 | 04:26:29 | -70.61, -71.08 | 121.77 | 08/20/2025 | 04:25:15 | -70.60, -71.25 | 121.76 | 6.39 | 74 |
| 3 | 08/20/2025 | 05:17:16 | 70.69, 96.11 | 58.33 | 08/20/2025 | 05:16:15 | 70.66, 96.10 | 58.31 | 2.78 | 61 |
| 4 | 08/20/2025 | 06:08:00 | -70.67, -96.54 | 121.69 | 08/20/2025 | 06:07:10 | -70.67, -96.61 | 121.67 | 2.58 | 50 |
| 5 | 08/20/2025 | 06:58:46 | 70.69, 70.72 | 58.36 | 08/20/2025 | 06:58:11 | 70.68, 70.65 | 58.35 | 3.14 | 35 |
| 6 | 08/20/2025 | 07:49:31 | -70.73,-122.01 | 121.60 | 08/20/2025 | 07:49:05 | -70.74,-121.98 | 121.58 | 2.37 | 26 |
| 7 | 08/20/2025 | 08:40:17 | 70.75, 45.25 | 58.44 | 08/20/2025 | 08:40:06 | 70.75, 45.28 | 58.44 | 1.04 | 11 |
| 8 | 08/20/2025 | 09:31:02 | -70.78,-147.48 | 121.52 | 08/20/2025 | 09:31:01 | -70.76,-147.43 | 121.54 | 3.12 | 1 |
| 9 | 08/20/2025 | 10:21:47 | 70.76, 19.87 | 58.47 | 08/20/2025 | 10:22:02 | 70.77, 19.83 | 58.48 | 1.98 | 15 |
| 10 | 08/20/2025 | 11:12:32 | -70.79,-172.87 | 121.49 | 08/20/2025 | 11:12:57 | -70.78,-172.88 | 121.50 | 1.05 | 25 |
| 11 | 08/20/2025 | 12:03:18 | 70.82, -5.60 | 58.55 | 08/20/2025 | 12:03:58 | 70.79, -5.62 | 58.52 | 3.20 | 40 |
| 12 | 08/20/2025 | 12:54:02 | -70.79, 161.75 | 121.46 | 08/20/2025 | 12:54:53 | -70.80, 161.67 | 121.46 | 2.98 | 51 |
| 13 | 08/20/2025 | 13:44:49 | 70.87, -31.07 | 58.64 | 08/20/2025 | 13:45:53 | 70.86, -30.99 | 58.61 | 3.60 | 64 |
| 14 | 08/20/2025 | 14:35:34 | -70.90, 136.19 | 121.32 | 08/20/2025 | 14:36:48 | -70.87, 136.31 | 121.37 | 5.70 | 74 |
| 15 | 08/20/2025 | 15:26:30 | 71.45, -57.44 | 59.28 | 08/20/2025 | 15:27:39 | 71.39, -55.52 | 59.14 | 68.36 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/14/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/14/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19