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: 10/12/2025
| 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 | 10/15/2025 | 01:04:06 | 74.41, 152.04 | 83.04 | 10/15/2025 | 01:04:13 | 74.41, 151.97 | 83.03 | 2.08 | 7 |
| 2 | 10/15/2025 | 01:54:47 | -74.30, -40.34 | 97.08 | 10/15/2025 | 01:53:35 | -74.31, -40.60 | 97.05 | 7.66 | 72 |
| 3 | 10/17/2025 | 10:35:04 | 74.70, 8.56 | 84.22 | 10/17/2025 | 10:36:15 | 74.63, 9.40 | 84.11 | 26.11 | 71 |
| 4 | 10/17/2025 | 11:25:42 | -74.43, 176.58 | 96.06 | 10/17/2025 | 11:25:39 | -74.42, 176.58 | 96.07 | 1.78 | 3 |
| 5 | 10/17/2025 | 12:16:15 | 73.78, -14.47 | 83.25 | 10/17/2025 | 12:15:08 | 73.84, -17.03 | 83.42 | 79.85 | 67 |
| 6 | 10/19/2025 | 20:56:35 | -74.48, 33.75 | 95.15 | 10/19/2025 | 20:57:43 | -74.50, 33.71 | 95.13 | 2.85 | 68 |
| 7 | 10/19/2025 | 21:47:20 | 74.42,-158.78 | 84.80 | 10/19/2025 | 21:47:03 | 74.40,-158.87 | 84.79 | 3.47 | 17 |
| 8 | 10/22/2025 | 07:18:14 | 74.52, 58.23 | 85.77 | 10/22/2025 | 07:19:06 | 74.51, 58.33 | 85.74 | 3.14 | 52 |
| 9 | 10/22/2025 | 08:08:56 | -74.45,-134.25 | 94.31 | 10/22/2025 | 08:08:27 | -74.45,-134.14 | 94.30 | 3.24 | 29 |
| 10 | 10/24/2025 | 17:39:48 | -74.51, 82.88 | 93.41 | 10/24/2025 | 17:40:30 | -74.49, 82.86 | 93.44 | 2.30 | 42 |
| 11 | 10/24/2025 | 18:30:33 | 74.45,-109.67 | 86.54 | 10/24/2025 | 18:29:49 | 74.44,-109.58 | 86.53 | 3.09 | 44 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 10/12/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 10/12/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA