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: 8/30/2025
| 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 | 09/01/2025 | 07:25:16 | -74.28,-122.91 | 113.62 | 09/01/2025 | 07:26:24 | -74.28,-122.90 | 113.63 | 0.86 | 68 |
| 2 | 09/01/2025 | 08:16:00 | 74.20, 44.59 | 66.32 | 09/01/2025 | 08:15:43 | 74.21, 44.59 | 66.32 | 0.31 | 17 |
| 3 | 09/03/2025 | 17:46:56 | 74.27, -98.30 | 67.25 | 09/03/2025 | 17:47:58 | 74.26, -98.39 | 67.24 | 2.84 | 62 |
| 4 | 09/03/2025 | 18:37:39 | -74.20, 69.19 | 112.82 | 09/03/2025 | 18:37:20 | -74.20, 69.14 | 112.81 | 1.56 | 19 |
| 5 | 09/06/2025 | 04:08:34 | -74.27, -73.72 | 111.86 | 09/06/2025 | 04:09:33 | -74.29, -73.77 | 111.85 | 3.28 | 59 |
| 6 | 09/06/2025 | 04:59:18 | 74.19, 93.78 | 68.07 | 09/06/2025 | 04:58:52 | 74.20, 93.69 | 68.09 | 2.90 | 26 |
| 7 | 09/08/2025 | 14:30:15 | 74.32, -49.26 | 69.10 | 09/08/2025 | 14:31:05 | 74.31, -49.18 | 69.07 | 2.82 | 50 |
| 8 | 09/08/2025 | 15:20:57 | -74.20, 118.34 | 111.02 | 09/08/2025 | 15:20:28 | -74.21, 118.26 | 111.01 | 2.58 | 29 |
| 9 | 09/11/2025 | 00:51:53 | -74.29, -24.59 | 110.04 | 09/11/2025 | 00:52:41 | -74.29, -24.66 | 110.04 | 1.98 | 48 |
| 10 | 09/11/2025 | 01:42:37 | 74.21, 142.91 | 69.90 | 09/11/2025 | 01:41:59 | 74.24, 142.90 | 69.93 | 3.01 | 38 |
| 11 | 09/13/2025 | 11:13:33 | 74.30, -0.04 | 70.90 | 09/13/2025 | 11:14:12 | 74.29, -0.09 | 70.88 | 1.69 | 39 |
| 12 | 09/13/2025 | 12:04:16 | -74.24, 167.43 | 109.16 | 09/13/2025 | 12:03:34 | -74.25, 167.49 | 109.14 | 2.26 | 42 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/30/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA