Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between AQUA and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/9/2025
Index Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 08/10/2025 08:08:16 -81.27, 172.85 108.79 08/10/2025 08:08:15 -81.27, 172.94 108.80 1.64 1
2 08/12/2025 17:39:04 -81.27, 30.16 108.10 08/12/2025 17:39:10 -81.27, 30.28 108.12 2.06 6
3 08/15/2025 02:20:33 81.27, 79.94 72.59 08/15/2025 02:19:21 81.28, 79.97 72.63 0.77 72
4 08/15/2025 03:09:51 -81.27,-112.37 107.41 08/15/2025 03:10:05 -81.27,-112.42 107.41 0.81 14
5 08/17/2025 11:51:19 81.28, -62.46 73.29 08/17/2025 11:50:15 81.27, -62.41 73.31 1.25 64
6 08/17/2025 12:40:38 -81.26, 104.86 106.66 08/17/2025 12:41:00 -81.27, 104.86 106.67 1.02 22
7 08/19/2025 21:22:05 81.28, 154.90 74.03 08/19/2025 21:21:10 81.27, 154.79 74.08 1.97 55
8 08/19/2025 22:11:24 -81.26, -37.77 105.92 08/19/2025 22:11:55 -81.27, -37.90 105.92 2.46 31
9 08/22/2025 06:52:51 81.27, 12.03 74.82 08/22/2025 06:52:05 81.27, 11.96 74.86 1.27 46

Figure of AQUA and NPP satellite orbits during SNOs since TLE Epoch: 8/9/2025
SNOs_Map_AQUA_NPP_20250809.jpg

Download SNOs between AQUA and NPP since TLE EPOCH: 08/09/2025 in txt file.

Historial Predications of SNOs between AQUA and NPP