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: 10/3/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/05/2025 09:27:25 0.48, 61.36 0.30, 60.51 96.39 80
2 10/06/2025 09:06:01 0.51, 61.36 1.31, 65.04 419.07 80
3 10/07/2025 21:30:31 -0.45, 61.39 -0.10, 59.77 183.73 80
4 10/08/2025 21:09:07 -0.48, 61.40 -1.11, 64.30 330.24 80
5 10/10/2025 09:33:44 0.43, 61.41 -0.11, 59.01 273.16 80
6 10/11/2025 09:12:21 0.46, 61.41 0.91, 63.54 241.31 80
7 10/12/2025 21:36:50 -0.40, 61.44 0.29, 58.27 361.27 80
8 10/13/2025 21:15:27 -0.44, 61.47 -0.73, 62.80 151.89 80
9 10/15/2025 09:40:03 0.38, 61.49 -0.52, 57.51 453.31 80
10 10/16/2025 09:18:41 0.42, 61.50 0.57, 62.03 61.08 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/3/2025
SNOs_Map_GOES-15_NPP_20251004.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/03/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP