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: 9/8/2025
| 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 | 09/08/2025 | 14:30:15 | 74.28, -49.17 | 69.05 | 09/08/2025 | 14:31:06 | 74.27, -49.26 | 69.04 | 2.98 | 51 |
| 2 | 09/08/2025 | 15:20:58 | -74.23, 118.29 | 111.00 | 09/08/2025 | 15:20:28 | -74.21, 118.27 | 111.01 | 1.44 | 30 |
| 3 | 09/11/2025 | 00:51:54 | -74.31, -24.64 | 110.02 | 09/11/2025 | 00:52:41 | -74.30, -24.65 | 110.04 | 0.91 | 47 |
| 4 | 09/11/2025 | 01:42:37 | 74.22, 142.89 | 69.91 | 09/11/2025 | 01:41:59 | 74.20, 142.81 | 69.90 | 3.01 | 38 |
| 5 | 09/13/2025 | 11:13:33 | 74.31, -0.06 | 70.90 | 09/13/2025 | 11:14:11 | 74.31, -0.05 | 70.90 | 0.69 | 38 |
| 6 | 09/13/2025 | 12:04:16 | -74.25, 167.40 | 109.15 | 09/13/2025 | 12:03:33 | -74.26, 167.50 | 109.13 | 3.40 | 43 |
| 7 | 09/15/2025 | 21:35:11 | -74.29, 24.57 | 108.19 | 09/15/2025 | 21:35:46 | -74.30, 24.48 | 108.19 | 2.63 | 35 |
| 8 | 09/15/2025 | 22:25:56 | 74.26,-168.03 | 71.78 | 09/15/2025 | 22:25:04 | 74.25,-167.96 | 71.78 | 2.24 | 52 |
| 9 | 09/18/2025 | 07:56:51 | 74.30, 49.13 | 72.75 | 09/18/2025 | 07:57:16 | 74.31, 49.09 | 72.76 | 1.90 | 25 |
| 10 | 09/18/2025 | 08:47:34 | -74.25,-143.42 | 107.30 | 09/18/2025 | 08:46:38 | -74.27,-143.35 | 107.27 | 3.15 | 56 |
| 11 | 09/20/2025 | 18:18:29 | -74.30, 73.72 | 106.32 | 09/20/2025 | 18:18:50 | -74.31, 73.65 | 106.31 | 2.65 | 21 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/8/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA