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: 7/23/2025
| 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 | 07/24/2025 | 10:29:12 | 74.06, 11.64 | 54.66 | 07/24/2025 | 10:29:33 | 74.04, 11.59 | 54.64 | 2.50 | 21 |
| 2 | 07/24/2025 | 11:19:55 | -73.99, 179.12 | 125.41 | 07/24/2025 | 11:18:53 | -74.01, 179.19 | 125.38 | 3.00 | 62 |
| 3 | 07/26/2025 | 20:50:53 | -74.09, 36.16 | 124.78 | 07/26/2025 | 20:51:14 | -74.06, 36.16 | 124.82 | 2.86 | 21 |
| 4 | 07/26/2025 | 21:41:37 | 74.01,-156.35 | 55.14 | 07/26/2025 | 21:40:34 | 74.00,-156.31 | 55.15 | 2.03 | 63 |
| 5 | 07/29/2025 | 07:12:34 | 74.06, 60.79 | 55.76 | 07/29/2025 | 07:12:54 | 74.08, 60.73 | 55.77 | 2.34 | 20 |
| 6 | 07/29/2025 | 08:03:17 | -73.99,-131.71 | 124.32 | 07/29/2025 | 08:02:15 | -74.00,-131.76 | 124.29 | 2.42 | 62 |
| 7 | 07/31/2025 | 17:34:14 | -74.09, 85.31 | 123.63 | 07/31/2025 | 17:34:34 | -74.07, 85.24 | 123.65 | 2.79 | 20 |
| 8 | 07/31/2025 | 18:24:58 | 74.03,-107.22 | 56.31 | 07/31/2025 | 18:23:54 | 74.00,-107.24 | 56.30 | 3.05 | 64 |
| 9 | 08/03/2025 | 03:55:55 | 74.08, 109.90 | 56.99 | 08/03/2025 | 03:56:13 | 74.09, 109.83 | 57.00 | 2.37 | 18 |
| 10 | 08/03/2025 | 04:46:39 | -74.05, -82.70 | 123.05 | 08/03/2025 | 04:45:34 | -74.03, -82.63 | 123.05 | 2.46 | 65 |
| 11 | 08/05/2025 | 14:17:36 | -74.10, 134.43 | 122.35 | 08/05/2025 | 14:17:53 | -74.12, 134.42 | 122.34 | 1.39 | 17 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/23/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/23/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA