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: 9/3/2025
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 09/05/2025 02:48:30 81.27, 73.76 79.45 09/05/2025 02:48:21 81.28, 73.74 79.46 0.38 9
2 09/07/2025 11:28:40 -81.27, 123.61 99.69 09/07/2025 11:29:42 -81.27, 123.45 99.71 2.80 62
3 09/07/2025 12:19:24 81.27, -68.86 80.30 09/07/2025 12:19:00 81.27, -69.06 80.33 3.35 24
4 09/09/2025 20:59:34 -81.27, -19.03 98.84 09/09/2025 21:00:19 -81.28, -19.07 98.86 0.79 45
5 09/09/2025 21:50:18 81.27, 148.47 81.15 09/09/2025 21:49:37 81.27, 148.39 81.19 1.40 41
6 09/12/2025 06:30:28 -81.27,-161.72 97.97 09/12/2025 06:30:55 -81.27,-161.71 97.99 0.25 27
7 09/12/2025 07:21:12 81.27, 5.75 82.03 09/12/2025 07:20:13 81.26, 5.70 82.06 1.30 59
8 09/14/2025 16:01:22 -81.27, 55.54 97.09 09/14/2025 16:01:30 -81.26, 55.50 97.09 1.06 8
9 09/17/2025 00:41:39 81.30, 102.09 84.27 09/17/2025 00:42:52 81.13, 102.58 84.09 20.76 73

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 9/3/2025
SNOs_Map_NOAA-20_AQUA_20250904.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 09/03/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA