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: 8/15/2025
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 08/16/2025 23:32:00 -81.28, -57.93 106.84 08/16/2025 23:31:52 -81.27, -57.74 106.86 3.25 8
2 08/19/2025 08:12:10 81.28, -7.95 73.90 08/19/2025 08:13:20 81.28, -7.98 73.87 0.88 70
3 08/19/2025 09:02:54 -81.28, 159.79 106.15 08/19/2025 09:02:38 -81.28, 159.67 106.13 2.06 16
4 08/21/2025 17:43:04 81.28,-150.30 74.62 08/21/2025 17:44:05 81.28,-150.43 74.60 2.37 61
5 08/21/2025 18:33:49 -81.28, 17.08 105.39 08/21/2025 18:33:23 -81.28, 17.23 105.39 2.64 26
6 08/24/2025 03:13:59 81.28, 66.93 75.40 08/24/2025 03:14:50 81.28, 66.88 75.38 0.82 51
7 08/24/2025 04:04:43 -81.27,-125.27 104.66 08/24/2025 04:04:08 -81.28,-125.43 104.61 2.96 35
8 08/26/2025 12:44:54 81.28, -75.87 76.21 08/26/2025 12:45:35 81.27, -76.03 76.20 2.95 41
9 08/26/2025 13:35:39 -81.28, 91.57 103.80 08/26/2025 13:34:53 -81.27, 91.67 103.79 1.94 46
10 08/28/2025 22:15:47 81.28, 141.69 76.98 08/28/2025 22:16:17 81.28, 141.60 76.98 1.53 30

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 8/15/2025
SNOs_Map_NOAA-20_AQUA_20250816.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 08/15/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA