Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and AQUA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/8/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Distance(km) Time Diff (sec)
1 07/09/2025 15:17:13 -81.29, 64.90 115.43 07/09/2025 15:18:11 -81.28, 64.74 115.44 2.85 58
2 07/09/2025 16:07:57 81.29,-127.24 64.50 07/09/2025 16:07:28 81.29,-127.41 64.54 2.97 29
3 07/12/2025 00:48:13 -81.29, -77.95 115.09 07/12/2025 00:49:06 -81.28, -77.95 115.13 1.06 53
4 07/12/2025 01:38:57 81.29, 89.89 64.84 07/12/2025 01:38:23 81.29, 89.88 64.86 0.28 34
5 07/14/2025 10:19:13 -81.29, 139.56 114.77 07/14/2025 10:20:01 -81.29, 139.57 114.80 0.17 48
6 07/14/2025 11:09:58 81.29, -53.00 65.22 07/14/2025 11:09:19 81.28, -53.01 65.24 1.04 39
7 07/16/2025 19:50:13 -81.29, -2.94 114.42 07/16/2025 19:50:56 -81.29, -3.08 114.42 2.52 43
8 07/16/2025 20:40:58 81.29, 164.48 65.58 07/16/2025 20:40:14 81.28, 164.33 65.62 2.68 44
9 07/19/2025 05:21:14 -81.29,-145.84 113.97 07/19/2025 05:21:51 -81.28,-145.91 113.99 1.25 37
10 07/19/2025 06:11:58 81.28, 21.94 65.97 07/19/2025 06:11:08 81.29, 21.88 66.01 1.23 50
11 07/21/2025 14:52:14 -81.29, 71.63 113.55 07/21/2025 14:52:45 -81.29, 71.48 113.55 2.49 31

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 7/8/2025
SNOs_Map_NOAA-20_AQUA_20250708.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 07/08/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA