Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/4/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 11/06/2025 01:44:09 80.01, 114.85 97.71 11/06/2025 01:44:49 80.00, 114.96 97.68 2.19 40
2 11/06/2025 02:34:45 -79.76, -75.41 82.72 11/06/2025 02:33:52 -79.77, -75.55 82.68 2.98 53
3 11/08/2025 06:10:40 80.01, 48.21 98.36 11/08/2025 06:11:32 80.00, 48.30 98.32 1.96 52
4 11/08/2025 07:01:19 -79.85,-142.89 81.92 11/08/2025 07:00:37 -79.84,-142.76 81.93 2.85 42
5 11/10/2025 10:37:11 80.01, -18.45 98.98 11/10/2025 10:38:15 80.01, -18.47 98.96 0.48 64
6 11/10/2025 11:27:50 -79.85, 150.46 81.30 11/10/2025 11:27:20 -79.85, 150.46 81.28 0.07 30
7 11/12/2025 15:04:48 81.23,-108.27 103.07 11/12/2025 15:06:01 81.70,-107.58 103.22 53.21 73
8 11/12/2025 15:54:22 -79.89, 83.49 80.63 11/12/2025 15:54:03 -79.88, 83.56 80.64 1.55 19
9 11/14/2025 20:20:54 -79.92, 16.50 79.99 11/14/2025 20:20:46 -79.92, 16.55 79.99 0.91 8

Figure of NOAA-20 and PACE satellite orbits during SNOs since TLE Epoch: 11/4/2025
SNOs_Map_NOAA-20_PACE_20251105.jpg

Download SNOs between NOAA-20 and PACE since TLE EPOCH: 11/04/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and PACE