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: 9/11/2025
| 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 | 09/13/2025 | 11:13:34 | 74.32, -0.09 | 70.92 | 09/13/2025 | 11:14:12 | 74.30, -0.07 | 70.89 | 1.91 | 38 |
| 2 | 09/13/2025 | 12:04:16 | -74.22, 167.47 | 109.18 | 09/13/2025 | 12:03:34 | -74.25, 167.47 | 109.14 | 3.31 | 42 |
| 3 | 09/15/2025 | 21:35:12 | -74.31, 24.53 | 108.18 | 09/15/2025 | 21:35:47 | -74.31, 24.50 | 108.18 | 0.91 | 35 |
| 4 | 09/15/2025 | 22:25:56 | 74.22,-167.93 | 71.74 | 09/15/2025 | 22:25:06 | 74.21,-168.05 | 71.75 | 3.62 | 50 |
| 5 | 09/18/2025 | 07:56:51 | 74.31, 49.12 | 72.75 | 09/18/2025 | 07:57:17 | 74.31, 49.06 | 72.75 | 1.77 | 26 |
| 6 | 09/18/2025 | 08:47:34 | -74.26,-143.44 | 107.29 | 09/18/2025 | 08:46:39 | -74.26,-143.38 | 107.28 | 1.78 | 55 |
| 7 | 09/20/2025 | 18:18:30 | -74.35, 73.59 | 106.27 | 09/20/2025 | 18:18:51 | -74.34, 73.70 | 106.29 | 3.30 | 21 |
| 8 | 09/20/2025 | 19:09:14 | 74.26,-118.86 | 73.65 | 09/20/2025 | 19:08:10 | 74.24,-118.86 | 73.64 | 2.33 | 64 |
| 9 | 09/23/2025 | 04:40:09 | 74.30, 98.30 | 74.62 | 09/23/2025 | 04:40:22 | 74.31, 98.19 | 74.62 | 3.29 | 13 |
| 10 | 09/23/2025 | 05:30:52 | -74.26, -94.27 | 105.42 | 09/23/2025 | 05:29:44 | -74.26, -94.25 | 105.41 | 0.68 | 68 |
| 11 | 09/25/2025 | 14:11:18 | 75.03, -46.40 | 76.35 | 09/25/2025 | 14:12:23 | 74.93, -43.43 | 76.10 | 86.42 | 65 |
| 12 | 09/25/2025 | 15:01:47 | -74.31, 122.88 | 104.45 | 09/25/2025 | 15:01:56 | -74.32, 122.77 | 104.44 | 3.27 | 9 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/11/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/11/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA