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 | -74.44, 127.38 | 97.84 | 10/12/2025 | 14:42:48 | -74.45, 127.47 | 97.84 | 3.00 | 20 |
| 2 | 10/12/2025 | 15:33:13 | 74.37, -65.13 | 82.10 | 10/12/2025 | 15:32:08 | 74.34, -65.12 | 82.08 | 3.69 | 65 |
| 3 | 10/15/2025 | 01:04:07 | 74.45, 151.94 | 83.08 | 10/15/2025 | 01:04:13 | 74.43, 152.03 | 83.06 | 3.32 | 6 |
| 4 | 10/15/2025 | 01:54:48 | -74.33, -40.44 | 97.04 | 10/15/2025 | 01:53:35 | -74.34, -40.53 | 97.03 | 2.87 | 73 |
| 5 | 10/17/2025 | 10:35:05 | 74.73, 8.46 | 84.26 | 10/17/2025 | 10:36:16 | 74.62, 9.38 | 84.10 | 29.95 | 71 |
| 6 | 10/17/2025 | 11:25:42 | -74.42, 176.62 | 96.07 | 10/17/2025 | 11:25:40 | -74.41, 176.56 | 96.08 | 2.07 | 2 |
| 7 | 10/17/2025 | 12:16:15 | 73.76, -14.43 | 83.24 | 10/17/2025 | 12:15:09 | 73.83, -17.05 | 83.41 | 81.60 | 66 |
| 8 | 10/19/2025 | 20:56:36 | -74.51, 33.66 | 95.11 | 10/19/2025 | 20:57:44 | -74.52, 33.73 | 95.12 | 2.06 | 68 |
| 9 | 10/19/2025 | 21:47:20 | 74.40,-158.74 | 84.79 | 10/19/2025 | 21:47:04 | 74.41,-158.84 | 84.80 | 3.19 | 16 |
| 10 | 10/22/2025 | 07:18:13 | 74.50, 58.28 | 85.75 | 10/22/2025 | 07:19:07 | 74.50, 58.29 | 85.73 | 0.96 | 54 |
| 11 | 10/22/2025 | 08:08:55 | -74.43,-134.20 | 94.33 | 10/22/2025 | 08:08:28 | -74.44,-134.18 | 94.32 | 1.67 | 27 |
| 12 | 10/24/2025 | 17:39:48 | -74.48, 82.94 | 93.44 | 10/24/2025 | 17:40:32 | -74.50, 82.90 | 93.42 | 2.73 | 44 |
| 13 | 10/24/2025 | 18:30:33 | 74.43,-109.61 | 86.52 | 10/24/2025 | 18:29:51 | 74.45,-109.55 | 86.55 | 3.32 | 42 |
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