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: 8/27/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/28/2025 09:36:04 0.54, 61.55 -0.36, 57.64 446.74 80
2 08/29/2025 09:20:02 0.54, 61.53 0.71, 62.15 70.96 80
3 08/31/2025 21:23:10 -0.55, 61.55 -0.52, 61.40 16.78 80
4 09/01/2025 21:01:48 -0.55, 61.54 -1.53, 65.93 499.58 80
5 09/03/2025 09:23:48 0.55, 61.48 0.35, 60.61 98.67 80
6 09/04/2025 09:07:46 0.56, 61.46 1.36, 65.14 418.10 80
7 09/05/2025 21:29:36 -0.55, 61.50 -0.16, 59.87 186.59 80
8 09/06/2025 21:08:14 -0.56, 61.49 -1.24, 64.38 329.41 80
9 09/08/2025 09:30:14 0.55, 61.44 0.01, 59.07 270.09 80
10 09/09/2025 09:14:11 0.56, 61.43 1.03, 63.60 246.39 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 8/27/2025
SNOs_Map_GOES-15_NPP_20250828.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 08/27/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP