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: 7/16/2025
| 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 | 07/18/2025 | 03:07:27 | -79.89, -84.50 | 118.71 | 07/18/2025 | 03:08:10 | -79.89, -84.50 | 118.73 | 0.18 | 43 |
| 2 | 07/18/2025 | 03:58:07 | 79.73, 84.27 | 61.01 | 07/18/2025 | 03:57:17 | 79.73, 84.38 | 61.02 | 2.18 | 50 |
| 3 | 07/20/2025 | 08:24:35 | 79.78, 17.22 | 61.50 | 07/20/2025 | 08:24:25 | 79.78, 17.25 | 61.50 | 0.69 | 10 |
| 4 | 07/22/2025 | 12:51:04 | 79.86, -50.14 | 62.08 | 07/22/2025 | 12:51:34 | 79.87, -50.23 | 62.08 | 2.07 | 30 |
| 5 | 07/22/2025 | 13:41:44 | -79.70, 118.62 | 118.20 | 07/22/2025 | 13:40:39 | -79.70, 118.73 | 118.19 | 2.24 | 65 |
| 6 | 07/24/2025 | 17:17:33 | 79.97,-117.82 | 62.74 | 07/24/2025 | 17:18:42 | 79.97,-117.78 | 62.70 | 0.77 | 69 |
| 7 | 07/24/2025 | 18:08:10 | -79.72, 51.86 | 117.72 | 07/24/2025 | 18:07:45 | -79.73, 51.75 | 117.69 | 2.21 | 25 |
| 8 | 07/26/2025 | 22:34:40 | -79.83, -15.78 | 117.04 | 07/26/2025 | 22:34:54 | -79.84, -15.84 | 117.04 | 1.19 | 14 |
| 9 | 07/29/2025 | 03:01:09 | -79.91, -83.16 | 116.39 | 07/29/2025 | 03:02:02 | -79.91, -83.22 | 116.41 | 1.16 | 53 |
Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 7/16/2025
Download SNOs between NOAA-21 and PACE since TLE EPOCH: 07/16/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and PACE