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: 8/31/2025
| 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 | 09/01/2025 | 07:25:16 | -74.29,-122.94 | 113.61 | 09/01/2025 | 07:26:24 | -74.27,-122.93 | 113.64 | 1.48 | 68 |
| 2 | 09/01/2025 | 08:16:00 | 74.21, 44.56 | 66.33 | 09/01/2025 | 08:15:43 | 74.20, 44.57 | 66.31 | 1.84 | 17 |
| 3 | 09/03/2025 | 17:46:56 | 74.28, -98.32 | 67.26 | 09/03/2025 | 17:47:57 | 74.30, -98.31 | 67.27 | 2.91 | 61 |
| 4 | 09/03/2025 | 18:37:39 | -74.21, 69.16 | 112.80 | 09/03/2025 | 18:37:20 | -74.19, 69.10 | 112.82 | 2.89 | 19 |
| 5 | 09/06/2025 | 04:08:35 | -74.28, -73.75 | 111.85 | 09/06/2025 | 04:09:34 | -74.27, -73.83 | 111.87 | 2.68 | 59 |
| 6 | 09/06/2025 | 04:59:19 | 74.21, 93.76 | 68.08 | 09/06/2025 | 04:58:52 | 74.23, 93.76 | 68.11 | 2.65 | 27 |
| 7 | 09/08/2025 | 14:30:15 | 74.28, -49.17 | 69.05 | 09/08/2025 | 14:31:06 | 74.27, -49.25 | 69.04 | 2.77 | 51 |
| 8 | 09/08/2025 | 15:20:58 | -74.22, 118.31 | 111.01 | 09/08/2025 | 15:20:28 | -74.22, 118.30 | 111.00 | 0.76 | 30 |
| 9 | 09/11/2025 | 00:51:53 | -74.30, -24.63 | 110.02 | 09/11/2025 | 00:52:40 | -74.30, -24.65 | 110.04 | 0.99 | 47 |
| 10 | 09/11/2025 | 01:42:37 | 74.23, 142.87 | 69.91 | 09/11/2025 | 01:41:58 | 74.24, 142.91 | 69.93 | 2.10 | 39 |
| 11 | 09/13/2025 | 11:13:33 | 74.32, -0.09 | 70.92 | 09/13/2025 | 11:14:10 | 74.33, 0.00 | 70.92 | 3.07 | 37 |
| 12 | 09/13/2025 | 12:04:16 | -74.26, 167.39 | 109.14 | 09/13/2025 | 12:03:33 | -74.24, 167.46 | 109.16 | 2.96 | 43 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/31/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/31/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA