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: 9/28/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/30/2025 19:29:53 0.23, -89.51 0.09, -90.10 67.33 80
2 10/01/2025 19:08:49 0.25, -89.51 1.14, -85.58 448.68 62
3 10/03/2025 07:33:00 -0.23, -89.49 0.08, -90.84 154.58 80
4 10/04/2025 07:11:38 -0.25, -89.49 -0.97, -86.32 361.37 80
5 10/05/2025 19:36:16 0.23, -89.52 -0.22, -91.63 239.58 80
6 10/06/2025 19:14:53 0.24, -89.53 0.79, -87.10 277.05 80
7 10/08/2025 07:39:22 -0.22, -89.51 0.43, -92.36 324.92 80
8 10/09/2025 07:17:59 -0.23, -89.51 -0.63, -87.84 191.21 80
9 10/10/2025 19:42:37 0.21, -89.54 -0.59, -93.14 410.15 80
10 10/11/2025 19:21:13 0.22, -89.54 0.42, -88.61 106.31 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/28/2025
SNOs_Map_GOES-17_NPP_20250929.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/28/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP