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: 8/19/2025
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 08/19/2025 08:12:10 81.28, -7.90 73.90 08/19/2025 08:13:20 81.28, -7.93 73.86 0.65 70
2 08/19/2025 09:02:54 -81.28, 159.80 106.15 08/19/2025 09:02:38 -81.28, 159.68 106.13 2.03 16
3 08/21/2025 17:43:04 81.28,-150.25 74.61 08/21/2025 17:44:05 81.29,-150.37 74.59 2.38 61
4 08/21/2025 18:33:49 -81.28, 17.11 105.39 08/21/2025 18:33:23 -81.28, 17.26 105.40 2.74 26
5 08/24/2025 03:13:59 81.28, 67.00 75.39 08/24/2025 03:14:50 81.28, 66.96 75.37 0.95 51
6 08/24/2025 04:04:44 -81.28,-125.61 104.61 08/24/2025 04:04:09 -81.27,-125.77 104.57 2.84 35
7 08/26/2025 12:44:54 81.28, -75.78 76.20 08/26/2025 12:45:35 81.27, -75.92 76.19 2.45 41
8 08/26/2025 13:35:39 -81.28, 91.64 103.81 08/26/2025 13:34:53 -81.27, 91.76 103.80 2.02 46
9 08/28/2025 22:15:47 81.28, 141.81 76.96 08/28/2025 22:16:17 81.29, 141.75 76.96 1.56 30
10 08/28/2025 23:06:33 -81.28, -51.13 102.99 08/28/2025 23:05:36 -81.27, -50.94 102.99 3.30 57
11 08/31/2025 07:46:42 81.28, -1.02 77.80 08/31/2025 07:47:01 81.27, -1.19 77.81 3.07 19

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 8/19/2025
SNOs_Map_NOAA-20_AQUA_20250819.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 08/19/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA