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: 11/11/2025
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 11/11/2025 13:40:53 -80.01, 115.83 80.73 11/11/2025 13:40:44 -80.01, 115.92 80.74 1.75 9
2 11/13/2025 18:07:24 -80.01, 49.20 80.14 11/13/2025 18:07:25 -80.00, 49.27 80.15 1.62 1
3 11/15/2025 22:33:55 -80.02, -17.48 79.57 11/15/2025 22:34:06 -80.02, -17.57 79.56 2.06 11
4 11/18/2025 03:00:26 -80.03, -84.20 79.01 11/18/2025 03:00:46 -80.04, -84.33 79.00 2.61 20
5 11/18/2025 03:50:57 79.59, 87.21 100.26 11/18/2025 03:49:44 79.55, 86.93 100.27 7.09 73
6 11/20/2025 07:26:58 -80.07,-151.28 78.42 11/20/2025 07:27:26 -80.07,-151.28 78.43 0.22 28
7 11/20/2025 08:17:37 79.89, 17.84 101.28 11/20/2025 08:16:32 79.89, 17.82 101.31 0.52 65
8 11/22/2025 11:53:28 -80.06, 142.21 77.95 11/22/2025 11:54:04 -80.06, 142.15 77.96 1.12 36
9 11/22/2025 12:44:08 79.91, -49.00 101.80 11/22/2025 12:43:11 79.92, -49.05 101.83 0.99 57
10 11/24/2025 16:20:00 -80.11, 75.04 77.39 11/24/2025 16:20:43 -80.11, 75.09 77.42 1.02 43

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 11/11/2025
SNOs_Map_NOAA-21_PACE_20251112.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 11/11/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE