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: 9/4/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/04/2025 09:07:46 0.56, 61.44 1.41, 65.13 421.16 80
2 09/05/2025 21:29:36 -0.55, 61.47 -0.22, 59.86 183.11 80
3 09/06/2025 21:08:14 -0.56, 61.46 -1.24, 64.38 333.48 80
4 09/08/2025 09:30:13 0.55, 61.39 0.01, 59.08 264.61 80
5 09/09/2025 09:14:11 0.56, 61.38 1.04, 63.60 252.50 80
6 09/10/2025 21:36:01 -0.54, 61.41 0.14, 58.33 351.15 80
7 09/11/2025 21:14:39 -0.55, 61.41 -0.88, 62.85 164.64 80
8 09/13/2025 09:36:38 0.54, 61.37 -0.32, 57.54 435.71 80
9 09/14/2025 09:20:35 0.55, 61.36 0.71, 62.07 80.34 80
10 09/16/2025 21:23:42 -0.55, 61.39 -0.50, 61.33 8.71 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/4/2025
SNOs_Map_GOES-15_NPP_20250905.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/04/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP