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: 5/10/2025
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 05/11/2025 20:28:27 81.31, 166.30 68.49 05/11/2025 20:28:57 81.32, 166.17 68.49 2.29 30
2 05/11/2025 21:19:12 -81.31, -26.42 111.52 05/11/2025 21:18:16 -81.30, -26.44 111.49 1.07 56
3 05/14/2025 05:59:25 81.31, 23.67 67.89 05/14/2025 06:00:07 81.32, 23.51 67.89 2.87 42
4 05/14/2025 06:50:10 -81.31,-169.06 112.12 05/14/2025 06:49:26 -81.31,-169.07 112.09 0.52 44
5 05/16/2025 15:30:24 81.31,-119.39 67.38 05/16/2025 15:31:17 81.31,-119.50 67.37 1.97 53
6 05/16/2025 16:21:08 -81.31, 48.27 112.68 05/16/2025 16:20:35 -81.32, 48.33 112.67 1.12 33
7 05/19/2025 01:01:21 81.31, 97.91 66.86 05/19/2025 01:02:24 81.31, 97.93 66.82 0.24 63
8 05/19/2025 01:52:05 -81.31, -94.44 113.20 05/19/2025 01:51:43 -81.31, -94.60 113.17 2.86 22
9 05/21/2025 10:32:19 81.31, -44.83 66.37 05/21/2025 10:33:32 81.31, -45.00 66.35 3.07 73
10 05/21/2025 11:23:03 -81.31, 122.81 113.68 05/21/2025 11:22:50 -81.31, 122.88 113.69 1.20 13

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 5/10/2025
SNOs_Map_NOAA-21_AQUA_20250510.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 05/10/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA