Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and AQUA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/14/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Distance(km) Time Diff (sec)
1 08/15/2025 17:56:53 -81.29, 26.48 107.30 08/15/2025 17:57:10 -81.29, 26.30 107.28 3.17 17
2 08/15/2025 18:47:37 81.29,-166.06 72.70 08/15/2025 18:46:28 81.29,-166.12 72.74 0.98 69
3 08/18/2025 03:27:48 -81.29,-116.09 106.58 08/18/2025 03:27:56 -81.30,-116.19 106.57 1.88 8
4 08/20/2025 12:58:44 -81.29, 100.91 105.79 08/20/2025 12:58:42 -81.29, 101.08 105.81 2.99 2
5 08/22/2025 22:29:38 -81.29, -41.34 105.08 08/22/2025 22:29:27 -81.30, -41.50 105.05 2.77 11
6 08/25/2025 07:09:49 81.29, 8.05 75.78 08/25/2025 07:10:54 81.29, 7.98 75.75 1.59 65
7 08/25/2025 08:00:34 -81.29, 175.59 104.24 08/25/2025 08:00:12 -81.29, 175.68 104.24 1.51 22
8 08/27/2025 16:40:42 81.29,-134.25 76.53 08/27/2025 16:41:36 81.30,-134.33 76.51 1.76 54

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 8/14/2025
SNOs_Map_NOAA-21_AQUA_20250815.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 08/14/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA