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: 7/18/2025
| 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 | 07/19/2025 | 13:45:50 | 74.05, -37.48 | 53.67 | 07/19/2025 | 13:46:10 | 74.06, -37.43 | 53.68 | 2.54 | 20 |
| 2 | 07/19/2025 | 14:36:33 | -73.99, 129.98 | 126.39 | 07/19/2025 | 14:35:31 | -73.98, 130.06 | 126.39 | 2.77 | 62 |
| 3 | 07/22/2025 | 00:07:30 | -74.07, -12.96 | 125.83 | 07/22/2025 | 00:07:51 | -74.07, -12.89 | 125.85 | 2.28 | 21 |
| 4 | 07/22/2025 | 00:58:14 | 73.99, 154.54 | 54.09 | 07/22/2025 | 00:57:11 | 74.01, 154.65 | 54.11 | 3.80 | 63 |
| 5 | 07/24/2025 | 10:29:12 | 74.08, 11.58 | 54.69 | 07/24/2025 | 10:29:32 | 74.08, 11.66 | 54.67 | 2.74 | 20 |
| 6 | 07/24/2025 | 11:19:55 | -74.01, 179.07 | 125.39 | 07/24/2025 | 11:18:53 | -74.00, 179.17 | 125.39 | 3.33 | 62 |
| 7 | 07/26/2025 | 20:50:52 | -74.05, 36.23 | 124.82 | 07/26/2025 | 20:51:14 | -74.06, 36.16 | 124.82 | 2.41 | 22 |
| 8 | 07/26/2025 | 21:41:36 | 73.99,-156.29 | 55.12 | 07/26/2025 | 21:40:34 | 74.00,-156.32 | 55.14 | 1.19 | 62 |
| 9 | 07/29/2025 | 07:12:34 | 74.09, 60.73 | 55.78 | 07/29/2025 | 07:12:54 | 74.09, 60.76 | 55.78 | 0.91 | 20 |
| 10 | 07/29/2025 | 08:03:17 | -74.00,-131.75 | 124.31 | 07/29/2025 | 08:02:15 | -74.02,-131.72 | 124.27 | 2.46 | 62 |
| 11 | 07/31/2025 | 17:34:15 | -74.10, 85.28 | 123.61 | 07/31/2025 | 17:34:35 | -74.11, 85.33 | 123.61 | 2.20 | 20 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/18/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA