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: 9/3/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/03/2025 09:23:48 0.55, 61.46 0.35, 60.61 96.33 80
2 09/04/2025 09:07:45 0.56, 61.44 1.36, 65.14 421.02 80
3 09/05/2025 21:29:36 -0.55, 61.47 -0.18, 59.87 183.13 80
4 09/06/2025 21:08:13 -0.56, 61.46 -1.20, 64.39 333.42 80
5 09/08/2025 09:30:14 0.55, 61.40 0.04, 59.07 264.87 80
6 09/09/2025 09:14:11 0.56, 61.38 1.06, 63.59 252.21 80
7 09/10/2025 21:36:00 -0.54, 61.41 0.17, 58.33 351.31 80
8 09/11/2025 21:14:38 -0.55, 61.41 -0.86, 62.86 164.49 80
9 09/13/2025 09:36:37 0.54, 61.37 -0.34, 57.55 436.06 80
10 09/14/2025 09:20:35 0.55, 61.37 0.69, 62.07 80.00 80
11 09/16/2025 21:23:43 -0.55, 61.40 -0.56, 61.32 8.97 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 9/3/2025
SNOs_Map_GOES-15_NPP_20250904.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 09/03/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP