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: 9/22/2025
| 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 | 09/24/2025 | 06:55:37 | -79.96,-142.24 | 97.54 | 09/24/2025 | 06:56:07 | -79.96,-142.34 | 97.54 | 2.00 | 30 |
| 2 | 09/24/2025 | 07:46:18 | 79.82, 26.42 | 82.23 | 09/24/2025 | 07:45:13 | 79.82, 26.46 | 82.25 | 0.75 | 65 |
| 3 | 09/26/2025 | 11:22:05 | -80.06, 150.03 | 96.51 | 09/26/2025 | 11:23:05 | -80.06, 150.17 | 96.56 | 2.75 | 60 |
| 4 | 09/26/2025 | 12:12:43 | 79.84, -40.40 | 83.10 | 09/26/2025 | 12:12:09 | 79.85, -40.49 | 83.12 | 1.76 | 34 |
| 5 | 09/28/2025 | 16:39:10 | 79.93,-107.85 | 84.08 | 09/28/2025 | 16:39:06 | 79.93,-107.87 | 84.09 | 0.47 | 4 |
| 6 | 09/30/2025 | 21:05:35 | 79.96,-174.74 | 84.96 | 09/30/2025 | 21:06:01 | 79.96,-174.83 | 84.96 | 1.84 | 26 |
| 7 | 09/30/2025 | 21:56:15 | -79.83, -6.19 | 95.26 | 09/30/2025 | 21:55:08 | -79.82, -6.06 | 95.25 | 2.90 | 67 |
| 8 | 10/03/2025 | 01:32:02 | 80.05, 117.74 | 85.95 | 10/03/2025 | 01:32:57 | 80.04, 117.76 | 85.92 | 0.56 | 55 |
| 9 | 10/03/2025 | 02:22:40 | -79.86, -73.10 | 94.38 | 10/03/2025 | 02:22:03 | -79.87, -73.15 | 94.35 | 1.01 | 37 |
Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 9/22/2025
Download SNOs between NOAA-21 and PACE since TLE EPOCH: 09/22/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and PACE