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, 157.00 76.40 11/14/2025 09:22:51 -81.25, 157.05 76.43 0.89 49
2 11/14/2025 10:12:46 81.25, -35.27 103.56 11/14/2025 10:12:08 81.25, -35.34 103.59 1.22 38
3 11/16/2025 18:53:02 -81.25, 14.57 75.83 11/16/2025 18:52:53 -81.25, 14.54 75.82 0.55 9
4 11/19/2025 03:33:18 81.25, 64.26 104.78 11/19/2025 03:33:35 81.25, 64.42 104.75 2.77 17
5 11/19/2025 04:24:02 -81.24,-127.96 75.28 11/19/2025 04:22:53 -81.24,-128.07 75.23 1.86 69
6 11/21/2025 12:13:33 -81.25, 114.40 74.71 11/21/2025 12:14:15 -81.26, 114.56 74.75 3.05 42
7 11/21/2025 13:04:17 81.24, -78.02 105.27 11/21/2025 13:03:32 81.26, -77.89 105.28 2.38 45
8 11/23/2025 20:53:48 81.25, 164.20 105.83 11/23/2025 20:54:53 81.25, 164.28 105.78 1.36 65
9 11/23/2025 21:44:33 -81.25, -28.31 74.20 11/23/2025 21:44:11 -81.24, -28.21 74.20 1.71 22

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 11/13/2025
SNOs_Map_NOAA-21_AQUA_20251113.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