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: 7/18/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/19/2025 21:26:21 -0.37, 61.35 -0.03, 59.87 169.39 80
2 07/20/2025 21:10:16 -0.36, 61.36 -1.05, 64.40 346.34 80
3 07/22/2025 09:29:34 0.39, 61.31 -0.08, 59.09 252.42 80
4 07/23/2025 09:13:28 0.38, 61.32 0.88, 63.63 263.35 80
5 07/24/2025 21:32:36 -0.41, 61.41 0.28, 58.36 346.67 80
6 07/25/2025 21:16:32 -0.40, 61.42 -0.75, 62.90 168.95 80
7 07/27/2025 09:35:48 0.42, 61.37 -0.45, 57.60 430.15 80
8 07/28/2025 09:19:44 0.41, 61.38 0.58, 62.13 85.82 80
9 07/30/2025 21:20:07 -0.42, 61.47 -0.40, 61.40 7.90 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/18/2025
SNOs_Map_GOES-15_NPP_20250719.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/18/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP