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: 11/8/2025
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 11/09/2025 15:10:45 81.26,-110.27 102.32 11/09/2025 15:11:57 81.26,-110.18 102.28 1.77 72
2 11/09/2025 16:01:29 -81.25, 57.37 77.72 11/09/2025 16:01:15 -81.26, 57.38 77.71 0.86 14
3 11/12/2025 00:41:46 81.25, 107.05 102.98 11/12/2025 00:42:04 81.25, 106.97 102.97 1.84 18
4 11/12/2025 01:32:30 -81.25, -85.26 77.07 11/12/2025 01:31:21 -81.26, -85.09 77.05 3.15 69
5 11/14/2025 09:22:02 -81.25, 157.01 76.40 11/14/2025 09:22:51 -81.26, 157.15 76.44 2.50 49
6 11/14/2025 10:12:46 81.25, -35.30 103.56 11/14/2025 10:12:08 81.25, -35.28 103.58 0.80 38
7 11/16/2025 18:53:03 -81.25, 14.25 75.79 11/16/2025 18:52:55 -81.24, 14.38 75.81 2.52 8
8 11/19/2025 03:33:18 81.25, 64.38 104.76 11/19/2025 03:33:39 81.24, 64.27 104.76 2.04 21
9 11/19/2025 04:24:03 -81.25,-128.19 75.25 11/19/2025 04:22:57 -81.24,-128.16 75.22 1.21 66
10 11/21/2025 12:13:34 -81.25, 114.28 74.69 11/21/2025 12:14:22 -81.26, 114.42 74.73 2.46 48

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 11/8/2025
SNOs_Map_NOAA-21_AQUA_20251109.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 11/08/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA