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: 9/25/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/26/2025 21:36:31 -0.50, 61.35 0.16, 58.27 350.81 80
2 09/27/2025 21:15:07 -0.53, 61.36 -0.82, 62.80 163.73 80
3 09/29/2025 09:39:46 0.48, 61.35 -0.40, 57.50 438.39 80
4 09/30/2025 09:18:23 0.51, 61.35 0.65, 62.02 76.70 80
5 10/02/2025 21:24:10 -0.50, 61.39 -0.48, 61.28 12.41 80
6 10/05/2025 09:27:25 0.48, 61.40 0.28, 60.51 101.51 80
7 10/06/2025 09:06:02 0.51, 61.41 1.34, 65.03 413.18 80
8 10/07/2025 21:30:31 -0.45, 61.44 -0.06, 59.78 189.92 80
9 10/08/2025 21:09:08 -0.48, 61.46 -1.12, 64.30 323.34 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/25/2025
SNOs_Map_GOES-15_NPP_20250926.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/25/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP