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: 8/30/2025
| 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 | 08/31/2025 | 02:42:06 | -79.96, -78.84 | 106.43 | 08/31/2025 | 02:42:49 | -79.96, -78.88 | 106.45 | 0.83 | 43 |
| 2 | 08/31/2025 | 03:32:45 | 79.78, 90.21 | 73.25 | 08/31/2025 | 03:31:55 | 79.78, 90.18 | 73.28 | 0.57 | 50 |
| 3 | 09/02/2025 | 07:59:14 | 79.89, 22.50 | 74.24 | 09/02/2025 | 07:58:58 | 79.89, 22.61 | 74.22 | 2.36 | 16 |
| 4 | 09/04/2025 | 12:25:41 | 79.95, -44.68 | 75.12 | 09/04/2025 | 12:25:59 | 79.94, -44.54 | 75.09 | 2.81 | 18 |
| 5 | 09/04/2025 | 13:15:26 | -77.81, 137.42 | 108.17 | 09/04/2025 | 13:14:13 | -77.60, 136.13 | 108.21 | 38.17 | 73 |
| 6 | 09/06/2025 | 16:52:08 | 80.01,-111.89 | 76.02 | 09/06/2025 | 16:53:00 | 80.01,-111.85 | 75.99 | 0.75 | 52 |
| 7 | 09/06/2025 | 17:42:45 | -79.77, 57.72 | 104.41 | 09/06/2025 | 17:42:04 | -79.78, 57.60 | 104.37 | 2.55 | 41 |
| 8 | 09/08/2025 | 22:09:14 | -79.90, -10.09 | 103.38 | 09/08/2025 | 22:09:06 | -79.90, -10.07 | 103.38 | 0.48 | 8 |
| 9 | 09/11/2025 | 02:35:41 | -79.97, -77.37 | 102.45 | 09/11/2025 | 02:36:06 | -79.97, -77.33 | 102.47 | 0.85 | 25 |
| 10 | 09/11/2025 | 03:26:20 | 79.79, 91.71 | 77.24 | 09/11/2025 | 03:25:11 | 79.78, 91.79 | 77.25 | 1.87 | 69 |
| 11 | 09/13/2025 | 07:02:07 | -80.01,-144.40 | 101.56 | 09/13/2025 | 07:03:05 | -80.02,-144.45 | 101.58 | 1.26 | 58 |
Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 8/30/2025
Download SNOs between NOAA-21 and PACE since TLE EPOCH: 08/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and PACE