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: 5/21/2025
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 05/21/2025 10:32:46 81.23, -55.13 67.85 05/21/2025 10:33:50 81.01, -50.59 67.07 81.76 64
2 05/21/2025 11:23:03 -81.31, 123.02 113.71 05/21/2025 11:22:53 -81.31, 122.85 113.68 2.91 10
3 05/23/2025 20:54:02 -81.31, -20.15 114.10 05/23/2025 20:54:01 -81.31, -19.96 114.13 3.21 1
4 05/26/2025 06:24:58 -81.31,-162.57 114.56 05/26/2025 06:25:07 -81.31,-162.63 114.56 1.10 9
5 05/28/2025 15:55:55 -81.31, 54.97 114.98 05/28/2025 15:56:13 -81.32, 54.83 114.97 2.66 18
6 05/28/2025 16:46:40 81.31,-137.58 65.00 05/28/2025 16:45:31 81.31,-137.63 65.05 0.92 69
7 05/31/2025 01:26:53 -81.31, -87.91 115.30 05/31/2025 01:27:19 -81.31, -87.97 115.31 1.05 26
8 05/31/2025 02:17:38 81.31, 79.53 64.68 05/31/2025 02:16:37 81.31, 79.54 64.71 0.36 61
9 06/02/2025 10:57:50 -81.31, 129.56 115.64 06/02/2025 10:58:24 -81.32, 129.37 115.63 3.27 34

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 5/21/2025
SNOs_Map_NOAA-21_AQUA_20250521.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 05/21/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA