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: 10/18/2025
| 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 | 10/19/2025 | 20:56:35 | -74.52, 33.65 | 95.11 | 10/19/2025 | 20:57:42 | -74.51, 33.72 | 95.12 | 2.15 | 67 |
| 2 | 10/19/2025 | 21:47:19 | 74.40,-158.73 | 84.78 | 10/19/2025 | 21:47:02 | 74.41,-158.83 | 84.80 | 3.49 | 17 |
| 3 | 10/22/2025 | 07:18:13 | 74.51, 58.27 | 85.75 | 10/22/2025 | 07:19:05 | 74.51, 58.33 | 85.74 | 1.97 | 52 |
| 4 | 10/22/2025 | 08:08:55 | -74.43,-134.22 | 94.32 | 10/22/2025 | 08:08:26 | -74.45,-134.16 | 94.31 | 2.45 | 29 |
| 5 | 10/24/2025 | 17:39:48 | -74.50, 82.90 | 93.42 | 10/24/2025 | 17:40:29 | -74.51, 82.93 | 93.42 | 1.90 | 41 |
| 6 | 10/24/2025 | 18:30:33 | 74.44,-109.63 | 86.53 | 10/24/2025 | 18:29:49 | 74.42,-109.62 | 86.52 | 1.96 | 44 |
| 7 | 10/27/2025 | 04:01:26 | 74.51, 107.46 | 87.42 | 10/27/2025 | 04:01:51 | 74.50, 107.51 | 87.41 | 1.62 | 25 |
| 8 | 10/27/2025 | 04:52:08 | -74.43, -85.01 | 92.65 | 10/27/2025 | 04:51:12 | -74.43, -84.98 | 92.65 | 0.90 | 56 |
| 9 | 10/29/2025 | 14:23:01 | -74.51, 132.07 | 91.77 | 10/29/2025 | 14:23:14 | -74.48, 132.07 | 91.80 | 2.58 | 13 |
| 10 | 10/29/2025 | 15:13:45 | 74.41, -60.35 | 88.13 | 10/29/2025 | 15:12:34 | 74.39, -60.47 | 88.13 | 3.75 | 71 |
| 11 | 10/31/2025 | 23:54:01 | -74.93, -11.79 | 90.54 | 10/31/2025 | 23:55:10 | -74.81, -10.20 | 90.72 | 47.76 | 69 |
| 12 | 11/01/2025 | 00:44:38 | 74.50, 156.70 | 89.01 | 11/01/2025 | 00:44:34 | 74.52, 156.76 | 89.02 | 2.96 | 4 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 10/18/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 10/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA