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: 9/30/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/30/2025 19:27:14 0.24, -89.51 0.12, -90.10 67.22 80
2 10/01/2025 19:11:10 0.24, -89.51 1.11, -85.57 448.84 80
3 10/03/2025 07:33:01 -0.23, -89.49 0.05, -90.85 154.46 80
4 10/04/2025 07:11:37 -0.25, -89.49 -0.95, -86.31 361.53 80
5 10/05/2025 19:36:15 0.23, -89.52 -0.24, -91.62 239.30 80
6 10/06/2025 19:14:52 0.24, -89.53 0.77, -87.09 277.36 80
7 10/08/2025 07:39:22 -0.22, -89.51 0.39, -92.37 324.63 80
8 10/09/2025 07:17:59 -0.23, -89.51 -0.62, -87.84 191.54 80
9 10/10/2025 19:42:36 0.21, -89.54 -0.60, -93.13 409.70 80
10 10/11/2025 19:21:13 0.22, -89.54 0.41, -88.60 106.83 80
11 10/13/2025 07:45:42 -0.20, -89.53 0.79, -93.87 494.51 80
12 10/14/2025 07:24:19 -0.22, -89.54 -0.28, -89.35 21.88 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/30/2025
SNOs_Map_GOES-17_NPP_20251001.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/30/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP