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: 9/30/2025
| 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 | 09/30/2025 | 10:54:22 | 74.43, 4.43 | 77.55 | 09/30/2025 | 10:55:32 | 74.40, 4.45 | 77.51 | 2.71 | 70 |
| 2 | 09/30/2025 | 11:45:04 | -74.35, 171.94 | 102.53 | 09/30/2025 | 11:44:54 | -74.33, 171.95 | 102.54 | 2.05 | 10 |
| 3 | 10/02/2025 | 21:15:59 | -74.44, 29.00 | 101.51 | 10/02/2025 | 21:17:02 | -74.44, 29.11 | 101.53 | 3.45 | 63 |
| 4 | 10/02/2025 | 22:06:43 | 74.33,-163.41 | 78.38 | 10/02/2025 | 22:06:21 | 74.36,-163.41 | 78.42 | 3.18 | 22 |
| 5 | 10/05/2025 | 07:37:38 | 74.43, 53.62 | 79.41 | 10/05/2025 | 07:38:29 | 74.43, 53.67 | 79.40 | 1.59 | 51 |
| 6 | 10/05/2025 | 08:28:20 | -74.35,-138.87 | 100.67 | 10/05/2025 | 08:27:51 | -74.36,-138.83 | 100.66 | 1.25 | 29 |
| 7 | 10/07/2025 | 17:59:13 | -74.41, 78.26 | 99.69 | 10/07/2025 | 17:59:58 | -74.39, 78.16 | 99.72 | 3.64 | 45 |
| 8 | 10/07/2025 | 18:49:58 | 74.35,-114.27 | 80.26 | 10/07/2025 | 18:49:16 | 74.36,-114.23 | 80.28 | 1.91 | 42 |
| 9 | 10/10/2025 | 04:20:52 | 74.42, 102.84 | 81.24 | 10/10/2025 | 04:21:23 | 74.41, 102.81 | 81.23 | 0.94 | 31 |
| 10 | 10/10/2025 | 05:11:34 | -74.34, -89.65 | 98.84 | 10/10/2025 | 05:10:45 | -74.34, -89.71 | 98.84 | 1.96 | 49 |
| 11 | 10/12/2025 | 14:42:28 | -74.42, 127.44 | 97.86 | 10/12/2025 | 14:42:51 | -74.40, 127.36 | 97.88 | 2.89 | 23 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/30/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA