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: 9/29/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/30/2025 19:29:54 0.23, -89.51 0.11, -90.10 67.24 80
2 10/01/2025 19:11:10 0.24, -89.51 1.10, -85.57 448.79 80
3 10/03/2025 07:33:01 -0.23, -89.49 0.06, -90.84 154.51 80
4 10/04/2025 07:11:37 -0.25, -89.49 -0.94, -86.31 361.45 80
5 10/05/2025 19:36:15 0.23, -89.52 -0.25, -91.62 239.41 80
6 10/06/2025 19:14:53 0.24, -89.53 0.81, -87.10 277.23 80
7 10/08/2025 07:39:22 -0.22, -89.51 0.41, -92.36 324.78 80
8 10/09/2025 07:17:59 -0.23, -89.51 -0.59, -87.83 191.35 80
9 10/10/2025 19:42:37 0.21, -89.54 -0.57, -93.14 409.94 80
10 10/11/2025 19:21:14 0.22, -89.54 0.44, -88.61 106.53 80
11 10/13/2025 07:45:43 -0.20, -89.53 0.78, -93.87 494.82 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/29/2025
SNOs_Map_GOES-17_NPP_20250930.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/29/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP