Simultaneous Nadir Overpasses (SNOs) Predictions

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

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/3/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Distance(km) Time Diff (sec)
1 04/04/2025 14:24:41 81.31,-104.22 80.97 04/04/2025 14:25:18 81.31,-104.24 80.95 0.43 37
2 04/04/2025 15:15:25 -81.31, 63.43 99.10 04/04/2025 15:14:37 -81.30, 63.34 99.06 1.55 48
3 04/06/2025 23:55:41 81.31, 112.92 80.07 04/06/2025 23:56:50 81.30, 112.83 80.04 1.74 69
4 04/07/2025 00:46:25 -81.31, -79.39 100.01 04/07/2025 00:46:09 -81.30, -79.58 99.97 3.38 16
5 04/09/2025 10:17:24 -81.31, 138.10 100.95 04/09/2025 10:17:38 -81.31, 137.94 100.93 2.85 14
6 04/09/2025 11:08:09 81.31, -54.59 79.04 04/09/2025 11:06:57 81.30, -54.74 79.10 2.71 72
7 04/11/2025 19:48:23 -81.31, -4.87 101.81 04/11/2025 19:49:05 -81.31, -4.85 101.84 0.81 42
8 04/11/2025 20:39:07 81.31, 162.79 78.13 04/11/2025 20:38:23 81.31, 162.83 78.15 1.15 44
9 04/14/2025 05:19:23 -81.31,-147.92 102.65 04/14/2025 05:20:32 -81.30,-147.97 102.69 1.34 69
10 04/14/2025 06:10:07 81.31, 19.70 77.30 04/14/2025 06:09:50 81.30, 19.69 77.31 0.95 17

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 4/3/2025
SNOs_Map_NOAA-20_AQUA_20250403.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 04/03/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA