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: 10/8/2025
| 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 | 10/10/2025 | 04:20:52 | 74.44, 102.78 | 81.26 | 10/10/2025 | 04:21:21 | 74.42, 102.81 | 81.23 | 2.27 | 29 |
| 2 | 10/10/2025 | 05:11:34 | -74.37, -89.72 | 98.81 | 10/10/2025 | 05:10:42 | -74.38, -89.61 | 98.80 | 3.63 | 52 |
| 3 | 10/12/2025 | 14:42:28 | -74.44, 127.37 | 97.83 | 10/12/2025 | 14:42:48 | -74.44, 127.45 | 97.85 | 2.36 | 20 |
| 4 | 10/12/2025 | 15:33:13 | 74.38, -65.15 | 82.11 | 10/12/2025 | 15:32:07 | 74.37, -65.03 | 82.11 | 3.55 | 66 |
| 5 | 10/15/2025 | 01:04:06 | 74.41, 152.05 | 83.03 | 10/15/2025 | 01:04:13 | 74.41, 151.97 | 83.03 | 2.34 | 7 |
| 6 | 10/15/2025 | 01:54:48 | -74.34, -40.45 | 97.04 | 10/15/2025 | 01:53:34 | -74.36, -40.46 | 97.00 | 2.85 | 74 |
| 7 | 10/17/2025 | 10:35:04 | 74.69, 8.57 | 84.22 | 10/17/2025 | 10:36:15 | 74.62, 9.40 | 84.10 | 25.54 | 71 |
| 8 | 10/17/2025 | 11:25:42 | -74.42, 176.61 | 96.07 | 10/17/2025 | 11:25:39 | -74.42, 176.59 | 96.07 | 0.84 | 3 |
| 9 | 10/17/2025 | 12:16:15 | 73.77, -14.45 | 83.24 | 10/17/2025 | 12:15:08 | 73.83, -17.04 | 83.42 | 80.43 | 67 |
| 10 | 10/19/2025 | 20:56:36 | -74.52, 33.65 | 95.11 | 10/19/2025 | 20:57:43 | -74.50, 33.71 | 95.14 | 2.36 | 67 |
| 11 | 10/19/2025 | 21:47:20 | 74.41,-158.76 | 84.80 | 10/19/2025 | 21:47:02 | 74.44,-158.76 | 84.83 | 3.44 | 18 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 10/8/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 10/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA