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: 8/1/2025
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 08/02/2025 14:26:29 -81.29, 78.17 110.86 08/02/2025 14:27:03 -81.28, 78.08 110.87 1.84 34
2 08/02/2025 15:17:13 81.28,-114.07 69.09 08/02/2025 15:16:20 81.29,-113.98 69.11 1.60 53
3 08/04/2025 23:57:24 -81.28, -64.33 110.27 08/04/2025 23:57:52 -81.29, -64.22 110.30 2.08 28
4 08/05/2025 00:48:08 81.28, 103.39 69.69 08/05/2025 00:47:10 81.29, 103.31 69.73 1.56 58
5 08/07/2025 09:28:20 -81.29, 152.74 109.60 08/07/2025 09:28:42 -81.28, 152.83 109.62 1.78 22
6 08/07/2025 10:19:03 81.28, -39.18 70.31 08/07/2025 10:17:59 81.29, -39.27 70.36 1.89 64
7 08/09/2025 18:59:14 -81.28, 10.56 109.01 08/09/2025 18:59:30 -81.29, 10.40 108.99 2.82 16
8 08/09/2025 19:49:59 81.28, 177.82 71.01 08/09/2025 19:48:48 81.28, 177.90 71.05 1.24 71
9 08/12/2025 04:30:10 -81.28,-132.43 108.28 08/12/2025 04:30:18 -81.28,-132.29 108.31 2.42 8

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 8/1/2025
SNOs_Map_NOAA-20_AQUA_20250801.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 08/01/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA