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: 7/21/2025
| 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 | -74.05, -12.91 | 125.86 | 07/22/2025 | 00:07:52 | -74.03, -12.96 | 125.88 | 2.40 | 22 |
| 2 | 07/22/2025 | 00:58:14 | 73.97, 154.60 | 54.06 | 07/22/2025 | 00:57:12 | 73.98, 154.59 | 54.09 | 1.44 | 62 |
| 3 | 07/24/2025 | 10:29:12 | 74.06, 11.64 | 54.66 | 07/24/2025 | 10:29:33 | 74.05, 11.60 | 54.64 | 1.98 | 21 |
| 4 | 07/24/2025 | 11:19:55 | -73.99, 179.12 | 125.41 | 07/24/2025 | 11:18:54 | -73.97, 179.09 | 125.42 | 2.96 | 61 |
| 5 | 07/26/2025 | 20:50:53 | -74.08, 36.17 | 124.79 | 07/26/2025 | 20:51:14 | -74.08, 36.19 | 124.80 | 1.00 | 21 |
| 6 | 07/26/2025 | 21:41:37 | 74.01,-156.35 | 55.14 | 07/26/2025 | 21:40:34 | 74.02,-156.27 | 55.16 | 2.39 | 63 |
| 7 | 07/29/2025 | 07:12:34 | 74.06, 60.80 | 55.75 | 07/29/2025 | 07:12:55 | 74.06, 60.68 | 55.75 | 3.63 | 21 |
| 8 | 07/29/2025 | 08:03:17 | -73.98,-131.70 | 124.33 | 07/29/2025 | 08:02:16 | -73.99,-131.81 | 124.30 | 3.40 | 61 |
| 9 | 07/31/2025 | 17:34:14 | -74.08, 85.34 | 123.64 | 07/31/2025 | 17:34:35 | -74.07, 85.24 | 123.65 | 2.86 | 21 |
| 10 | 07/31/2025 | 18:24:58 | 74.02,-107.20 | 56.30 | 07/31/2025 | 18:23:55 | 74.00,-107.25 | 56.30 | 2.51 | 63 |
| 11 | 08/03/2025 | 03:55:56 | 74.12, 109.81 | 57.03 | 08/03/2025 | 03:56:14 | 74.12, 109.88 | 57.02 | 2.22 | 18 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 7/21/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 07/21/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA