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: 9/28/2025
| 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 | 09/30/2025 | 10:54:21 | 74.39, 4.52 | 77.51 | 09/30/2025 | 10:55:32 | 74.39, 4.42 | 77.50 | 3.01 | 71 |
| 2 | 09/30/2025 | 11:45:03 | -74.32, 172.04 | 102.57 | 09/30/2025 | 11:44:54 | -74.32, 171.93 | 102.55 | 3.24 | 9 |
| 3 | 10/02/2025 | 21:15:58 | -74.40, 29.09 | 101.55 | 10/02/2025 | 21:17:02 | -74.44, 29.10 | 101.53 | 3.59 | 64 |
| 4 | 10/02/2025 | 22:06:43 | 74.34,-163.44 | 78.40 | 10/02/2025 | 22:06:21 | 74.35,-163.42 | 78.41 | 1.07 | 22 |
| 5 | 10/05/2025 | 07:37:38 | 74.44, 53.59 | 79.42 | 10/05/2025 | 07:38:29 | 74.43, 53.67 | 79.40 | 2.57 | 51 |
| 6 | 10/05/2025 | 08:28:20 | -74.36,-138.89 | 100.65 | 10/05/2025 | 08:27:51 | -74.36,-138.83 | 100.66 | 1.95 | 29 |
| 7 | 10/07/2025 | 17:59:14 | -74.42, 78.24 | 99.68 | 10/07/2025 | 17:59:59 | -74.40, 78.18 | 99.71 | 2.86 | 45 |
| 8 | 10/07/2025 | 18:49:59 | 74.36,-114.29 | 80.27 | 10/07/2025 | 18:49:17 | 74.37,-114.22 | 80.28 | 2.50 | 42 |
| 9 | 10/10/2025 | 04:20:53 | 74.42, 102.82 | 81.24 | 10/10/2025 | 04:21:24 | 74.43, 102.84 | 81.24 | 0.83 | 31 |
| 10 | 10/10/2025 | 05:11:35 | -74.35, -89.66 | 98.83 | 10/10/2025 | 05:10:46 | -74.35, -89.68 | 98.82 | 0.82 | 49 |
| 11 | 10/12/2025 | 14:42:28 | -74.42, 127.43 | 97.86 | 10/12/2025 | 14:42:51 | -74.43, 127.41 | 97.86 | 1.01 | 23 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/28/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/28/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA