Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/7/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/08/2025 09:13:29 0.47, 61.48 0.98, 63.67 250.62 80
2 08/09/2025 21:35:16 -0.49, 61.56 0.19, 58.41 358.72 80
3 08/10/2025 21:13:51 -0.48, 61.58 -0.79, 62.95 156.33 80
4 08/12/2025 09:35:48 0.50, 61.55 -0.35, 57.64 444.27 80
5 08/13/2025 09:19:43 0.49, 61.56 0.62, 62.18 70.97 80
6 08/15/2025 21:22:45 -0.50, 61.67 -0.44, 61.46 23.94 80
7 08/16/2025 21:01:20 -0.50, 61.70 -1.48, 65.99 490.03 80
8 08/18/2025 09:23:16 0.51, 61.68 0.28, 60.70 112.55 80
9 08/19/2025 09:07:12 0.51, 61.71 1.32, 65.23 401.55 80
10 08/20/2025 21:28:58 -0.53, 61.80 -0.11, 59.97 208.12 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 8/7/2025
SNOs_Map_GOES-15_NPP_20250808.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 08/07/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP