Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/15/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (TERRA) | Time (TERRA) | Lat,Lon (TERRA) | SZA (TERRA ) | Distance(km) | Time Diff (sec) |
| 1 | 09/15/2025 | 21:35:12 | -74.32, 24.50 | 108.16 | 09/15/2025 | 21:35:47 | -74.29, 24.46 | 108.20 | 3.29 | 35 |
| 2 | 09/15/2025 | 22:25:56 | 74.23,-167.95 | 71.75 | 09/15/2025 | 22:25:05 | 74.25,-167.96 | 71.78 | 2.87 | 51 |
| 3 | 09/18/2025 | 07:56:52 | 74.32, 49.09 | 72.77 | 09/18/2025 | 07:57:17 | 74.34, 49.13 | 72.78 | 2.89 | 25 |
| 4 | 09/18/2025 | 08:47:34 | -74.22,-143.36 | 107.33 | 09/18/2025 | 08:46:40 | -74.24,-143.44 | 107.30 | 2.85 | 54 |
| 5 | 09/20/2025 | 18:18:30 | -74.32, 73.68 | 106.30 | 09/20/2025 | 18:18:52 | -74.31, 73.63 | 106.32 | 1.77 | 22 |
| 6 | 09/20/2025 | 19:09:14 | 74.27,-118.89 | 73.66 | 09/20/2025 | 19:08:09 | 74.26,-118.81 | 73.66 | 2.79 | 65 |
| 7 | 09/23/2025 | 04:40:09 | 74.32, 98.25 | 74.64 | 09/23/2025 | 04:40:21 | 74.32, 98.22 | 74.63 | 0.97 | 12 |
| 8 | 09/23/2025 | 05:30:52 | -74.28, -94.32 | 105.40 | 09/23/2025 | 05:29:43 | -74.27, -94.23 | 105.40 | 3.00 | 69 |
| 9 | 09/25/2025 | 14:11:17 | 75.00, -46.32 | 76.32 | 09/25/2025 | 14:12:23 | 74.88, -43.55 | 76.06 | 81.35 | 66 |
| 10 | 09/25/2025 | 15:01:47 | -74.33, 122.81 | 104.42 | 09/25/2025 | 15:01:55 | -74.32, 122.77 | 104.44 | 2.44 | 8 |
| 11 | 09/25/2025 | 15:52:27 | 74.04, -69.13 | 75.28 | 09/25/2025 | 15:51:16 | 74.11, -70.02 | 75.40 | 28.07 | 71 |
| 12 | 09/28/2025 | 00:32:51 | -74.83, -21.23 | 102.95 | 09/28/2025 | 00:34:00 | -74.71, -19.42 | 103.16 | 54.74 | 69 |
| 13 | 09/28/2025 | 01:23:27 | 74.34, 147.38 | 76.53 | 09/28/2025 | 01:23:24 | 74.35, 147.41 | 76.53 | 1.19 | 3 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/15/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/15/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA