Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/26/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/27/2025 07:45:21 -0.23, -89.49 0.74, -93.85 496.79 80
2 09/28/2025 07:23:58 -0.24, -89.48 -0.30, -89.33 18.87 80
3 09/30/2025 19:29:53 0.24, -89.51 0.08, -90.09 67.62 80
4 10/01/2025 19:09:59 0.25, -89.51 1.13, -85.58 448.41 8
5 10/03/2025 07:33:00 -0.24, -89.48 0.10, -90.84 154.94 80
6 10/04/2025 07:11:38 -0.25, -89.49 -0.96, -86.32 360.99 80
7 10/05/2025 19:36:16 0.23, -89.52 -0.23, -91.62 240.03 80
8 10/06/2025 19:14:52 0.24, -89.52 0.77, -87.09 276.54 80
9 10/08/2025 07:39:23 -0.22, -89.51 0.39, -92.37 325.51 80
10 10/09/2025 07:17:59 -0.23, -89.51 -0.61, -87.84 190.58 80
11 10/10/2025 19:42:36 0.21, -89.53 -0.61, -93.13 410.85 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/26/2025
SNOs_Map_GOES-17_NPP_20250927.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/26/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP