Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and PACE Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/3/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (PACE) | Time (PACE) | Lat,Lon (PACE) | SZA (PACE ) | Distance(km) | Time Diff (sec) |
| 1 | 09/04/2025 | 12:25:41 | 79.95, -44.67 | 75.12 | 09/04/2025 | 12:25:59 | 79.95, -44.60 | 75.10 | 1.34 | 18 |
| 2 | 09/04/2025 | 13:15:16 | -77.39, 139.38 | 108.72 | 09/04/2025 | 13:14:03 | -77.15, 137.88 | 108.78 | 45.23 | 73 |
| 3 | 09/06/2025 | 16:52:06 | 79.95,-111.29 | 75.91 | 09/06/2025 | 16:52:58 | 79.96,-111.45 | 75.91 | 3.23 | 52 |
| 4 | 09/06/2025 | 17:42:46 | -79.81, 57.42 | 104.35 | 09/06/2025 | 17:42:04 | -79.81, 57.40 | 104.33 | 0.24 | 42 |
| 5 | 09/08/2025 | 22:09:13 | -79.87, -9.82 | 103.43 | 09/08/2025 | 22:09:04 | -79.88, -9.86 | 103.42 | 0.77 | 9 |
| 6 | 09/11/2025 | 02:35:41 | -79.97, -77.40 | 102.44 | 09/11/2025 | 02:36:04 | -79.97, -77.32 | 102.47 | 1.69 | 23 |
| 7 | 09/11/2025 | 03:26:20 | 79.79, 91.69 | 77.24 | 09/11/2025 | 03:25:09 | 79.78, 91.82 | 77.25 | 2.80 | 71 |
| 8 | 09/13/2025 | 07:02:07 | -80.01,-144.44 | 101.56 | 09/13/2025 | 07:03:02 | -80.01,-144.41 | 101.59 | 0.64 | 55 |
| 9 | 09/13/2025 | 07:52:46 | 79.83, 24.68 | 78.12 | 09/13/2025 | 07:52:07 | 79.83, 24.70 | 78.14 | 0.61 | 39 |
| 10 | 09/15/2025 | 12:19:13 | 79.91, -42.67 | 79.08 | 09/15/2025 | 12:19:05 | 79.90, -42.60 | 79.07 | 1.40 | 8 |
| 11 | 09/17/2025 | 16:45:39 | 79.96,-109.76 | 79.99 | 09/17/2025 | 16:46:02 | 79.97,-109.82 | 79.99 | 1.30 | 23 |
Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 9/3/2025
Download SNOs between NOAA-21 and PACE since TLE EPOCH: 09/03/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and PACE