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: 9/17/2025
| 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 | 09/18/2025 | 07:56:51 | 74.30, 49.13 | 72.75 | 09/18/2025 | 07:57:17 | 74.30, 49.05 | 72.75 | 2.45 | 26 |
| 2 | 09/18/2025 | 08:47:34 | -74.26,-143.44 | 107.29 | 09/18/2025 | 08:46:39 | -74.25,-143.41 | 107.29 | 1.45 | 55 |
| 3 | 09/20/2025 | 18:18:29 | -74.30, 73.71 | 106.32 | 09/20/2025 | 18:18:51 | -74.32, 73.65 | 106.31 | 2.76 | 22 |
| 4 | 09/20/2025 | 19:09:14 | 74.25,-118.85 | 73.64 | 09/20/2025 | 19:08:10 | 74.23,-118.89 | 73.63 | 3.35 | 64 |
| 5 | 09/23/2025 | 04:40:10 | 74.35, 98.17 | 74.67 | 09/23/2025 | 04:40:21 | 74.33, 98.25 | 74.65 | 3.09 | 11 |
| 6 | 09/23/2025 | 05:30:52 | -74.26, -94.28 | 105.42 | 09/23/2025 | 05:29:43 | -74.28, -94.20 | 105.39 | 3.11 | 69 |
| 7 | 09/25/2025 | 14:11:17 | 74.98, -46.27 | 76.30 | 09/25/2025 | 14:12:23 | 74.89, -43.53 | 76.07 | 79.98 | 66 |
| 8 | 09/25/2025 | 15:01:47 | -74.32, 122.86 | 104.44 | 09/25/2025 | 15:01:55 | -74.32, 122.78 | 104.43 | 2.28 | 8 |
| 9 | 09/25/2025 | 15:52:28 | 74.07, -69.21 | 75.31 | 09/25/2025 | 15:51:16 | 74.12, -70.00 | 75.41 | 24.73 | 72 |
| 10 | 09/28/2025 | 00:32:51 | -74.81, -21.18 | 102.97 | 09/28/2025 | 00:34:00 | -74.71, -19.41 | 103.16 | 52.86 | 69 |
| 11 | 09/28/2025 | 01:23:27 | 74.32, 147.43 | 76.51 | 09/28/2025 | 01:23:24 | 74.35, 147.42 | 76.54 | 3.01 | 3 |
| 12 | 09/28/2025 | 02:14:02 | -73.89, -44.18 | 103.95 | 09/28/2025 | 02:12:52 | -73.99, -45.73 | 103.78 | 48.80 | 70 |
| 13 | 09/30/2025 | 10:54:23 | 74.43, 4.42 | 77.55 | 09/30/2025 | 10:55:35 | 74.41, 4.46 | 77.51 | 2.74 | 72 |
| 14 | 09/30/2025 | 11:45:05 | -74.34, 171.97 | 102.54 | 09/30/2025 | 11:44:57 | -74.36, 172.00 | 102.53 | 1.65 | 8 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/17/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/17/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA