Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-14 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/1/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/02/2025 08:54:35 -0.93,-108.23 -0.21,-111.40 361.52 80
2 09/03/2025 08:33:13 -0.94,-108.23 -1.22,-106.87 154.31 80
3 09/04/2025 20:55:13 0.93,-108.23 0.05,-112.19 451.25 80
4 09/05/2025 20:39:11 0.94,-108.24 1.07,-107.67 65.24 80
5 09/08/2025 08:42:19 -0.94,-108.27 -0.91,-108.42 16.41 80
6 09/09/2025 08:20:56 -0.95,-108.28 -1.93,-103.89 499.38 80
7 09/10/2025 20:45:35 0.92,-108.27 0.72,-109.20 106.14 80
8 09/11/2025 20:26:53 0.94,-108.27 1.75,-104.68 410.00 80
9 09/13/2025 08:48:43 -0.91,-108.30 -0.57,-109.95 187.71 80
10 09/14/2025 08:27:21 -0.94,-108.30 -1.60,-105.43 327.41 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 9/1/2025
SNOs_Map_GOES-14_NPP_20250902.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 09/01/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP