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: 9/4/2025
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 09/05/2025 02:48:30 81.27, 73.82 79.44 09/05/2025 02:48:21 81.28, 73.81 79.45 0.71 9
2 09/07/2025 11:28:40 -81.27, 123.66 99.70 09/07/2025 11:29:42 -81.28, 123.53 99.72 2.33 62
3 09/07/2025 12:19:24 81.27, -68.81 80.29 09/07/2025 12:19:00 81.27, -68.96 80.32 2.69 24
4 09/09/2025 20:59:35 -81.28, -19.37 98.79 09/09/2025 21:00:20 -81.27, -19.31 98.83 1.50 45
5 09/09/2025 21:50:18 81.27, 148.53 81.14 09/09/2025 21:49:37 81.27, 148.54 81.17 0.49 41
6 09/12/2025 06:30:29 -81.28,-162.05 97.92 09/12/2025 06:30:56 -81.27,-161.88 97.97 3.11 27
7 09/12/2025 07:21:12 81.27, 5.82 82.02 09/12/2025 07:20:13 81.27, 5.93 82.04 1.92 59
8 09/14/2025 16:01:22 -81.27, 55.61 97.10 09/14/2025 16:01:31 -81.26, 55.45 97.09 2.91 9
9 09/17/2025 00:41:53 81.28, 96.67 85.03 09/17/2025 00:42:55 81.09, 101.92 84.16 91.85 62

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 9/4/2025
SNOs_Map_NOAA-20_AQUA_20250905.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 09/04/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA