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: 5/11/2025
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, 166.28 68.49 05/11/2025 20:28:57 81.32, 166.21 68.49 1.34 30
2 05/11/2025 21:19:12 -81.31, -26.46 111.51 05/11/2025 21:18:16 -81.31, -26.42 111.49 1.09 56
3 05/14/2025 05:59:26 81.31, 23.26 67.95 05/14/2025 06:00:08 81.31, 23.29 67.92 0.69 42
4 05/14/2025 06:50:10 -81.31,-169.09 112.11 05/14/2025 06:49:26 -81.32,-168.91 112.11 2.94 44
5 05/16/2025 15:30:24 81.31,-119.40 67.39 05/16/2025 15:31:18 81.31,-119.52 67.37 2.24 54
6 05/16/2025 16:21:08 -81.31, 48.25 112.67 05/16/2025 16:20:36 -81.31, 48.30 112.66 0.92 32
7 05/19/2025 01:01:22 81.31, 97.92 66.86 05/19/2025 01:02:27 81.31, 97.77 66.84 2.57 65
8 05/19/2025 01:52:06 -81.31, -94.45 113.20 05/19/2025 01:51:45 -81.32, -94.38 113.20 1.20 21
9 05/21/2025 10:32:44 81.24, -54.62 67.77 05/21/2025 10:33:51 80.97, -51.22 67.15 65.83 67
10 05/21/2025 11:23:03 -81.31, 122.82 113.69 05/21/2025 11:22:53 -81.30, 122.65 113.66 3.04 10

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 5/11/2025
SNOs_Map_NOAA-21_AQUA_20250511.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 05/11/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA