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: 11/13/2025
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 11/14/2025 09:22:02 -81.25, 157.10 76.41 11/14/2025 09:22:51 -81.26, 157.10 76.44 0.54 49
2 11/14/2025 10:12:46 81.25, -35.16 103.54 11/14/2025 10:12:08 81.25, -35.29 103.58 2.32 38
3 11/16/2025 18:53:02 -81.25, 14.65 75.84 11/16/2025 18:52:53 -81.25, 14.48 75.82 2.94 9
4 11/19/2025 03:33:17 81.25, 64.32 104.77 11/19/2025 03:33:34 81.24, 64.25 104.77 1.63 17
5 11/19/2025 04:24:01 -81.24,-127.90 75.29 11/19/2025 04:22:51 -81.25,-127.86 75.25 1.09 70
6 11/21/2025 12:13:32 -81.25, 114.43 74.71 11/21/2025 12:14:14 -81.25, 114.24 74.71 3.14 42
7 11/21/2025 13:04:17 81.25, -78.37 105.32 11/21/2025 13:03:31 81.24, -78.21 105.31 3.06 46
8 11/23/2025 20:53:47 81.25, 164.20 105.83 11/23/2025 20:54:51 81.25, 164.20 105.79 0.37 64
9 11/23/2025 21:44:32 -81.25, -28.32 74.19 11/23/2025 21:44:09 -81.24, -28.31 74.19 1.05 23

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 11/13/2025
SNOs_Map_NOAA-21_AQUA_20251114.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 11/13/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA