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 01:44:08 79.98, 115.09 97.67 11/06/2025 01:44:48 79.97, 115.19 97.64 2.16 40
2 11/06/2025 02:34:45 -79.76, -75.46 82.71 11/06/2025 02:33:52 -79.78, -75.60 82.67 3.00 53
3 11/08/2025 06:10:40 80.01, 48.15 98.37 11/08/2025 06:11:32 80.01, 48.23 98.33 1.71 52
4 11/08/2025 07:01:19 -79.86,-142.95 81.91 11/08/2025 07:00:37 -79.85,-142.82 81.91 2.62 42
5 11/10/2025 10:37:11 80.02, -18.52 99.00 11/10/2025 10:38:15 80.02, -18.57 98.98 1.07 64
6 11/10/2025 11:27:49 -79.83, 150.68 81.34 11/10/2025 11:27:19 -79.83, 150.65 81.32 0.66 30
7 11/12/2025 15:04:41 81.18,-105.67 102.72 11/12/2025 15:05:54 81.59,-104.91 102.84 47.71 73
8 11/12/2025 15:54:22 -79.89, 83.42 80.62 11/12/2025 15:54:03 -79.90, 83.45 80.62 0.57 19
9 11/14/2025 20:20:53 -79.90, 16.71 80.03 11/14/2025 20:20:45 -79.91, 16.68 80.02 0.88 8

Figure of NOAA-20 and PACE satellite orbits during SNOs since TLE Epoch: 11/4/2025
SNOs_Map_NOAA-20_PACE_20251104.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