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: 10/11/2025
| 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 | 10/12/2025 | 14:42:28 | -74.43, 127.39 | 97.84 | 10/12/2025 | 14:42:48 | -74.45, 127.48 | 97.83 | 3.28 | 20 |
| 2 | 10/12/2025 | 15:33:13 | 74.36, -65.12 | 82.10 | 10/12/2025 | 15:32:08 | 74.34, -65.11 | 82.08 | 2.65 | 65 |
| 3 | 10/15/2025 | 01:04:07 | 74.45, 151.95 | 83.07 | 10/15/2025 | 01:04:13 | 74.43, 152.02 | 83.05 | 2.66 | 6 |
| 4 | 10/15/2025 | 01:54:48 | -74.33, -40.43 | 97.05 | 10/15/2025 | 01:53:35 | -74.33, -40.54 | 97.03 | 3.50 | 73 |
| 5 | 10/17/2025 | 10:35:05 | 74.73, 8.47 | 84.26 | 10/17/2025 | 10:36:16 | 74.60, 9.35 | 84.09 | 29.26 | 71 |
| 6 | 10/17/2025 | 11:25:42 | -74.42, 176.63 | 96.08 | 10/17/2025 | 11:25:40 | -74.40, 176.53 | 96.09 | 3.65 | 2 |
| 7 | 10/17/2025 | 12:16:15 | 73.76, -14.42 | 83.23 | 10/17/2025 | 12:15:09 | 73.82, -17.08 | 83.40 | 82.75 | 66 |
| 8 | 10/19/2025 | 20:56:35 | -74.51, 33.67 | 95.11 | 10/19/2025 | 20:57:43 | -74.49, 33.67 | 95.14 | 2.01 | 68 |
| 9 | 10/19/2025 | 21:47:20 | 74.45,-158.86 | 84.84 | 10/19/2025 | 21:47:02 | 74.44,-158.78 | 84.82 | 2.64 | 18 |
| 10 | 10/22/2025 | 07:18:13 | 74.50, 58.29 | 85.74 | 10/22/2025 | 07:19:06 | 74.51, 58.32 | 85.74 | 1.17 | 53 |
| 11 | 10/22/2025 | 08:08:55 | -74.42,-134.19 | 94.33 | 10/22/2025 | 08:08:27 | -74.45,-134.15 | 94.31 | 3.27 | 28 |
| 12 | 10/24/2025 | 17:39:48 | -74.48, 82.95 | 93.44 | 10/24/2025 | 17:40:31 | -74.50, 82.89 | 93.43 | 2.48 | 43 |
| 13 | 10/24/2025 | 18:30:33 | 74.43,-109.60 | 86.52 | 10/24/2025 | 18:29:50 | 74.45,-109.56 | 86.54 | 2.63 | 43 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 10/11/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 10/11/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA