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: 7/20/2025
| 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 | 07/22/2025 | 00:07:30 | -74.04, -12.90 | 125.86 | 07/22/2025 | 00:07:52 | -74.04, -12.95 | 125.87 | 1.68 | 22 |
| 2 | 07/22/2025 | 00:58:14 | 73.96, 154.61 | 54.05 | 07/22/2025 | 00:57:12 | 73.98, 154.60 | 54.09 | 2.43 | 62 |
| 3 | 07/24/2025 | 10:29:12 | 74.06, 11.65 | 54.65 | 07/24/2025 | 10:29:33 | 74.05, 11.61 | 54.64 | 1.47 | 21 |
| 4 | 07/24/2025 | 11:19:55 | -73.99, 179.13 | 125.42 | 07/24/2025 | 11:18:54 | -73.97, 179.10 | 125.42 | 1.81 | 61 |
| 5 | 07/26/2025 | 20:50:53 | -74.08, 36.18 | 124.79 | 07/26/2025 | 20:51:14 | -74.08, 36.21 | 124.80 | 1.06 | 21 |
| 6 | 07/26/2025 | 21:41:37 | 74.01,-156.34 | 55.14 | 07/26/2025 | 21:40:34 | 74.02,-156.27 | 55.16 | 2.58 | 63 |
| 7 | 07/29/2025 | 07:12:34 | 74.11, 60.69 | 55.80 | 07/29/2025 | 07:12:53 | 74.11, 60.80 | 55.79 | 3.54 | 19 |
| 8 | 07/29/2025 | 08:03:16 | -73.98,-131.68 | 124.34 | 07/29/2025 | 08:02:15 | -73.99,-131.80 | 124.30 | 3.84 | 61 |
| 9 | 07/31/2025 | 17:34:14 | -74.07, 85.35 | 123.65 | 07/31/2025 | 17:34:35 | -74.07, 85.25 | 123.65 | 3.07 | 21 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/20/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA