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: 11/11/2025
| 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 | 11/13/2025 | 02:51:40 | -74.60, -55.33 | 87.33 | 11/13/2025 | 02:52:35 | -74.60, -55.34 | 87.34 | 0.14 | 55 |
| 2 | 11/13/2025 | 03:42:25 | 74.55, 112.12 | 92.63 | 11/13/2025 | 03:41:55 | 74.53, 112.17 | 92.61 | 2.25 | 30 |
| 3 | 11/15/2025 | 13:13:27 | 74.60, -30.77 | 93.31 | 11/15/2025 | 13:13:53 | 74.59, -30.74 | 93.29 | 1.39 | 26 |
| 4 | 11/15/2025 | 14:04:09 | -74.50, 136.81 | 86.80 | 11/15/2025 | 14:03:14 | -74.49, 136.70 | 86.80 | 3.39 | 55 |
| 5 | 11/17/2025 | 22:44:36 | 75.00,-174.62 | 94.34 | 11/17/2025 | 22:45:45 | 74.92,-172.98 | 94.19 | 48.32 | 69 |
| 6 | 11/17/2025 | 23:35:11 | -74.56, -6.08 | 86.15 | 11/17/2025 | 23:35:11 | -74.57, -6.16 | 86.13 | 2.80 | 0 |
| 7 | 11/18/2025 | 00:25:46 | 74.02, 162.59 | 93.29 | 11/18/2025 | 00:24:38 | 74.13, 160.50 | 93.48 | 64.90 | 68 |
| 8 | 11/20/2025 | 09:06:13 | -74.62,-149.01 | 85.52 | 11/20/2025 | 09:07:08 | -74.61,-149.10 | 85.53 | 2.75 | 55 |
| 9 | 11/20/2025 | 09:56:58 | 74.58, 18.40 | 94.46 | 11/20/2025 | 09:56:27 | 74.58, 18.50 | 94.45 | 3.03 | 31 |
| 10 | 11/22/2025 | 19:27:58 | 74.62,-124.43 | 95.02 | 11/22/2025 | 19:28:22 | 74.64,-124.41 | 95.03 | 2.73 | 24 |
| 11 | 11/22/2025 | 20:18:41 | -74.55, 43.07 | 85.06 | 11/22/2025 | 20:17:43 | -74.55, 43.06 | 85.04 | 0.85 | 58 |
| 12 | 11/25/2025 | 04:59:04 | 74.90, 92.04 | 95.82 | 11/25/2025 | 05:00:15 | 74.82, 92.98 | 95.68 | 28.88 | 71 |
| 13 | 11/25/2025 | 05:49:43 | -74.63, -99.91 | 84.48 | 11/25/2025 | 05:49:38 | -74.63, -99.79 | 84.48 | 3.34 | 5 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 11/11/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 11/11/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA