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: 4/10/2025
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 04/11/2025 19:48:24 -81.31, -5.13 101.78 04/11/2025 19:49:06 -81.30, -5.14 101.80 0.74 42
2 04/11/2025 20:39:08 81.31, 162.58 78.16 04/11/2025 20:38:24 81.30, 162.62 78.18 0.64 44
3 04/14/2025 05:19:23 -81.31,-147.75 102.68 04/14/2025 05:20:32 -81.31,-147.69 102.72 1.20 69
4 04/14/2025 06:10:07 81.30, 19.92 77.27 04/14/2025 06:09:50 81.31, 20.04 77.26 2.37 17
5 04/16/2025 15:41:06 81.30,-122.81 76.40 04/16/2025 15:41:15 81.31,-122.75 76.39 1.49 9
6 04/19/2025 01:12:05 81.30, 94.40 75.56 04/19/2025 01:12:39 81.30, 94.24 75.56 2.55 34
7 04/19/2025 02:02:50 -81.30, -98.18 104.48 04/19/2025 02:01:58 -81.30, -98.22 104.44 1.01 52
8 04/21/2025 10:43:04 81.31, -48.46 74.74 04/21/2025 10:44:01 81.30, -48.59 74.73 2.31 57
9 04/21/2025 11:33:49 -81.30, 119.00 105.29 04/21/2025 11:33:20 -81.30, 118.95 105.27 1.38 29

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 4/10/2025
SNOs_Map_NOAA-20_AQUA_20250410.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 04/10/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA