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 | -74.50, 33.69 | 95.12 | 10/19/2025 | 20:57:43 | -74.48, 33.65 | 95.16 | 2.86 | 68 |
| 2 | 10/19/2025 | 21:47:20 | 74.43,-158.82 | 84.82 | 10/19/2025 | 21:47:02 | 74.43,-158.79 | 84.82 | 1.07 | 18 |
| 3 | 10/22/2025 | 07:18:13 | 74.49, 58.31 | 85.73 | 10/22/2025 | 07:19:06 | 74.49, 58.27 | 85.72 | 1.17 | 53 |
| 4 | 10/22/2025 | 08:08:55 | -74.42,-134.18 | 94.34 | 10/22/2025 | 08:08:27 | -74.42,-134.21 | 94.33 | 0.98 | 28 |
| 5 | 10/24/2025 | 17:39:48 | -74.48, 82.95 | 93.44 | 10/24/2025 | 17:40:30 | -74.50, 82.90 | 93.42 | 2.90 | 42 |
| 6 | 10/24/2025 | 18:30:33 | 74.42,-109.59 | 86.51 | 10/24/2025 | 18:29:50 | 74.41,-109.64 | 86.51 | 2.07 | 43 |
| 7 | 10/27/2025 | 04:01:26 | 74.49, 107.51 | 87.40 | 10/27/2025 | 04:01:52 | 74.51, 107.54 | 87.42 | 2.68 | 26 |
| 8 | 10/27/2025 | 04:52:08 | -74.41, -84.96 | 92.68 | 10/27/2025 | 04:51:13 | -74.44, -84.96 | 92.64 | 3.58 | 55 |
| 9 | 10/29/2025 | 14:23:01 | -74.49, 132.13 | 91.80 | 10/29/2025 | 14:23:16 | -74.47, 132.03 | 91.82 | 3.58 | 15 |
| 10 | 10/29/2025 | 15:13:46 | 74.43, -60.43 | 88.16 | 10/29/2025 | 15:12:35 | 74.43, -60.39 | 88.16 | 1.28 | 71 |
| 11 | 10/31/2025 | 23:54:01 | -74.95, -11.85 | 90.51 | 10/31/2025 | 23:55:10 | -74.88, -10.05 | 90.66 | 52.83 | 69 |
| 12 | 11/01/2025 | 00:44:37 | 74.47, 156.77 | 88.98 | 11/01/2025 | 00:44:36 | 74.48, 156.66 | 88.99 | 3.11 | 1 |
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