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: 3/18/2025
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 03/18/2025 16:25:38 81.31,-135.11 87.78 03/18/2025 16:26:27 81.31,-134.92 87.72 3.12 49
2 03/18/2025 17:16:21 -81.31, 32.81 92.33 03/18/2025 17:15:46 -81.31, 32.82 92.31 0.55 35
3 03/21/2025 02:47:14 -81.31,-110.25 93.24 03/21/2025 02:47:34 -81.30,-110.34 93.24 1.68 20
4 03/21/2025 03:37:58 81.31, 57.52 86.69 03/21/2025 03:36:52 81.30, 57.39 86.74 2.19 66
5 03/23/2025 12:18:06 -81.31, 106.98 94.19 03/23/2025 12:19:18 -81.32, 107.12 94.25 2.45 72
6 03/23/2025 13:08:50 81.31, -85.29 85.74 03/23/2025 13:08:36 81.32, -85.18 85.73 1.98 14
7 03/25/2025 22:39:42 81.31, 131.80 84.81 03/25/2025 22:40:19 81.31, 131.69 84.80 1.99 37
8 03/25/2025 23:30:26 -81.31, -60.57 95.26 03/25/2025 23:29:38 -81.31, -60.56 95.23 0.24 48
9 03/28/2025 09:01:17 -81.31, 156.45 96.17 03/28/2025 09:01:17 -81.31, 156.53 96.19 1.42 0
10 03/30/2025 18:32:08 -81.31, 13.77 97.13 03/30/2025 18:32:54 -81.31, 13.85 97.16 1.46 46

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 3/18/2025
SNOs_Map_NOAA-20_AQUA_20250318.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 03/18/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA