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: 9/16/2025
| 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 | 09/18/2025 | 07:56:51 | 74.30, 49.14 | 72.74 | 09/18/2025 | 07:57:17 | 74.31, 49.06 | 72.75 | 2.86 | 26 |
| 2 | 09/18/2025 | 08:47:34 | -74.25,-143.43 | 107.30 | 09/18/2025 | 08:46:39 | -74.25,-143.40 | 107.29 | 1.01 | 55 |
| 3 | 09/20/2025 | 18:18:30 | -74.35, 73.60 | 106.27 | 09/20/2025 | 18:18:51 | -74.33, 73.67 | 106.30 | 2.76 | 21 |
| 4 | 09/20/2025 | 19:09:14 | 74.25,-118.84 | 73.64 | 09/20/2025 | 19:08:10 | 74.23,-118.88 | 73.63 | 2.57 | 64 |
| 5 | 09/23/2025 | 04:40:10 | 74.35, 98.19 | 74.67 | 09/23/2025 | 04:40:21 | 74.34, 98.26 | 74.65 | 2.38 | 11 |
| 6 | 09/23/2025 | 05:30:52 | -74.26, -94.26 | 105.43 | 09/23/2025 | 05:29:44 | -74.24, -94.31 | 105.43 | 2.65 | 68 |
| 7 | 09/25/2025 | 14:11:17 | 74.98, -46.25 | 76.29 | 09/25/2025 | 14:12:23 | 74.90, -43.51 | 76.07 | 79.73 | 66 |
| 8 | 09/25/2025 | 15:01:47 | -74.31, 122.88 | 104.45 | 09/25/2025 | 15:01:55 | -74.33, 122.80 | 104.43 | 3.18 | 8 |
| 9 | 09/25/2025 | 15:52:28 | 74.06, -69.19 | 75.30 | 09/25/2025 | 15:51:16 | 74.12, -69.99 | 75.41 | 25.13 | 72 |
| 10 | 09/28/2025 | 00:32:51 | -74.80, -21.16 | 102.98 | 09/28/2025 | 00:34:00 | -74.72, -19.39 | 103.16 | 52.45 | 69 |
| 11 | 09/28/2025 | 01:23:28 | 74.36, 147.32 | 76.56 | 09/28/2025 | 01:23:24 | 74.36, 147.44 | 76.54 | 3.66 | 4 |
| 12 | 09/28/2025 | 02:14:02 | -73.88, -44.16 | 103.96 | 09/28/2025 | 02:12:53 | -73.94, -45.82 | 103.82 | 51.69 | 69 |
| 13 | 09/30/2025 | 10:54:23 | 74.42, 4.44 | 77.54 | 09/30/2025 | 10:55:35 | 74.42, 4.48 | 77.52 | 1.29 | 72 |
| 14 | 09/30/2025 | 11:45:05 | -74.34, 171.99 | 102.55 | 09/30/2025 | 11:44:58 | -74.32, 171.91 | 102.56 | 3.35 | 7 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/16/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/16/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA