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: 9/20/2025
| 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 | 09/23/2025 | 04:40:09 | 74.31, 98.29 | 74.62 | 09/23/2025 | 04:40:21 | 74.32, 98.22 | 74.63 | 2.34 | 12 |
| 2 | 09/23/2025 | 05:30:52 | -74.27, -94.30 | 105.41 | 09/23/2025 | 05:29:43 | -74.26, -94.25 | 105.41 | 2.03 | 69 |
| 3 | 09/25/2025 | 14:11:17 | 74.99, -46.29 | 76.31 | 09/25/2025 | 14:12:23 | 74.86, -43.59 | 76.04 | 79.39 | 66 |
| 4 | 09/25/2025 | 15:01:47 | -74.33, 122.83 | 104.42 | 09/25/2025 | 15:01:54 | -74.34, 122.83 | 104.41 | 1.48 | 7 |
| 5 | 09/25/2025 | 15:52:27 | 74.03, -69.11 | 75.26 | 09/25/2025 | 15:51:16 | 74.09, -70.06 | 75.38 | 29.95 | 71 |
| 6 | 09/28/2025 | 00:32:50 | -74.78, -21.09 | 103.00 | 09/28/2025 | 00:34:00 | -74.66, -19.53 | 103.21 | 47.51 | 70 |
| 7 | 09/28/2025 | 01:23:27 | 74.33, 147.40 | 76.52 | 09/28/2025 | 01:23:23 | 74.35, 147.44 | 76.54 | 2.43 | 4 |
| 8 | 09/28/2025 | 02:14:01 | -73.86, -44.10 | 103.99 | 09/28/2025 | 02:12:52 | -73.93, -45.84 | 103.82 | 54.36 | 69 |
| 9 | 09/30/2025 | 10:54:22 | 74.40, 4.51 | 77.52 | 09/30/2025 | 10:55:34 | 74.39, 4.42 | 77.50 | 2.85 | 72 |
| 10 | 09/30/2025 | 11:45:04 | -74.32, 172.04 | 102.57 | 09/30/2025 | 11:44:56 | -74.33, 171.95 | 102.55 | 3.27 | 8 |
| 11 | 10/02/2025 | 21:16:00 | -74.43, 29.01 | 101.52 | 10/02/2025 | 21:17:05 | -74.45, 29.12 | 101.52 | 3.79 | 65 |
| 12 | 10/02/2025 | 22:06:44 | 74.33,-163.41 | 78.39 | 10/02/2025 | 22:06:24 | 74.36,-163.42 | 78.41 | 2.70 | 20 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/20/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA