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: 10/20/2025
| 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 | 10/22/2025 | 07:18:13 | 74.51, 58.25 | 85.76 | 10/22/2025 | 07:19:05 | 74.51, 58.31 | 85.74 | 1.95 | 52 |
| 2 | 10/22/2025 | 08:08:55 | -74.45,-134.25 | 94.31 | 10/22/2025 | 08:08:26 | -74.44,-134.19 | 94.32 | 2.20 | 29 |
| 3 | 10/24/2025 | 17:39:48 | -74.51, 82.87 | 93.41 | 10/24/2025 | 17:40:29 | -74.50, 82.89 | 93.43 | 1.42 | 41 |
| 4 | 10/24/2025 | 18:30:32 | 74.40,-109.53 | 86.49 | 10/24/2025 | 18:29:49 | 74.41,-109.65 | 86.50 | 3.78 | 43 |
| 5 | 10/27/2025 | 04:01:25 | 74.47, 107.56 | 87.38 | 10/27/2025 | 04:01:51 | 74.49, 107.47 | 87.39 | 3.03 | 26 |
| 6 | 10/27/2025 | 04:52:07 | -74.40, -84.92 | 92.69 | 10/27/2025 | 04:51:12 | -74.41, -85.04 | 92.67 | 3.73 | 55 |
| 7 | 10/29/2025 | 14:23:00 | -74.48, 132.16 | 91.81 | 10/29/2025 | 14:23:13 | -74.51, 132.12 | 91.78 | 3.44 | 13 |
| 8 | 10/29/2025 | 15:13:45 | 74.42, -60.39 | 88.15 | 10/29/2025 | 15:12:33 | 74.42, -60.41 | 88.15 | 0.91 | 72 |
| 9 | 10/31/2025 | 23:54:00 | -74.90, -11.71 | 90.57 | 10/31/2025 | 23:55:10 | -74.77, -10.30 | 90.76 | 43.34 | 70 |
| 10 | 11/01/2025 | 00:44:37 | 74.47, 156.78 | 88.97 | 11/01/2025 | 00:44:34 | 74.48, 156.67 | 88.99 | 3.55 | 3 |
| 11 | 11/01/2025 | 01:35:11 | -73.99, -34.69 | 91.54 | 11/01/2025 | 01:34:02 | -74.04, -36.66 | 91.41 | 60.60 | 69 |
| 12 | 11/03/2025 | 10:15:30 | 74.57, 13.80 | 89.84 | 11/03/2025 | 10:16:34 | 74.56, 13.80 | 89.82 | 1.24 | 64 |
| 13 | 11/03/2025 | 11:06:12 | -74.48,-178.64 | 90.26 | 11/03/2025 | 11:05:55 | -74.48,-178.72 | 90.25 | 2.45 | 17 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 10/20/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 10/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA