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: 9/7/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/08/2025 09:30:14 0.55, 61.38 0.04, 59.07 262.86 80
2 09/09/2025 09:14:11 0.56, 61.36 1.06, 63.60 254.71 80
3 09/10/2025 21:36:02 -0.54, 61.39 0.12, 58.32 348.95 80
4 09/11/2025 21:14:39 -0.55, 61.38 -0.90, 62.85 167.33 80
5 09/13/2025 09:36:38 0.54, 61.33 -0.31, 57.54 431.64 80
6 09/14/2025 09:20:36 0.55, 61.32 0.72, 62.06 84.86 80
7 09/16/2025 21:21:04 -0.55, 61.35 -0.57, 61.31 4.23 80
8 09/19/2025 09:27:00 0.54, 61.30 0.34, 60.54 87.23 80
9 09/20/2025 09:08:17 0.56, 61.29 1.38, 65.06 429.34 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/7/2025
SNOs_Map_GOES-15_NPP_20250908.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/07/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP