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: 5/15/2025
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 05/16/2025 15:30:23 81.31,-119.21 67.36 05/16/2025 15:31:17 81.31,-119.34 67.35 2.32 54
2 05/16/2025 16:21:07 -81.31, 48.41 112.70 05/16/2025 16:20:35 -81.32, 48.44 112.68 1.01 32
3 05/19/2025 01:01:21 81.31, 98.10 66.83 05/19/2025 01:02:26 81.32, 97.98 66.81 2.02 65
4 05/19/2025 01:52:06 -81.31, -94.68 113.17 05/19/2025 01:51:45 -81.31, -94.59 113.17 1.78 21
5 05/21/2025 11:23:03 -81.31, 122.97 113.71 05/21/2025 11:22:53 -81.31, 122.89 113.69 1.45 10
6 05/23/2025 20:54:01 -81.31, -19.80 114.15 05/23/2025 20:54:01 -81.31, -19.89 114.14 1.58 0
7 05/26/2025 06:24:59 -81.31,-162.60 114.56 05/26/2025 06:25:08 -81.31,-162.54 114.57 0.95 9
8 05/28/2025 15:55:57 -81.31, 54.57 114.92 05/28/2025 15:56:15 -81.31, 54.54 114.93 0.88 18

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 5/15/2025
SNOs_Map_NOAA-21_AQUA_20250515.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 05/15/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA