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: 5/12/2025
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 05/14/2025 05:59:25 81.31, 23.45 67.92 05/14/2025 06:00:07 81.32, 23.43 67.90 0.50 42
2 05/14/2025 06:50:09 -81.31,-168.91 112.14 05/14/2025 06:49:25 -81.32,-168.79 112.13 2.29 44
3 05/16/2025 15:30:24 81.32,-119.60 67.41 05/16/2025 15:31:17 81.31,-119.44 67.36 2.82 53
4 05/16/2025 16:21:07 -81.31, 48.42 112.70 05/16/2025 16:20:35 -81.32, 48.37 112.67 1.04 32
5 05/19/2025 01:01:22 81.31, 97.70 66.89 05/19/2025 01:02:26 81.31, 97.77 66.84 1.47 64
6 05/19/2025 01:52:05 -81.31, -94.28 113.22 05/19/2025 01:51:44 -81.32, -94.39 113.20 1.85 21
7 05/21/2025 10:32:33 81.31, -50.15 67.13 05/21/2025 10:33:46 81.07, -49.48 66.92 28.04 73
8 05/21/2025 11:23:03 -81.31, 122.99 113.71 05/21/2025 11:22:52 -81.32, 122.94 113.69 1.03 11

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 5/12/2025
SNOs_Map_NOAA-21_AQUA_20250512.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 05/12/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA