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: 9/7/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/08/2025 19:39:04 0.22, -89.52 -0.56, -93.04 401.08 80
2 09/09/2025 19:23:01 0.22, -89.52 0.46, -88.52 115.09 80
3 09/11/2025 07:44:51 -0.22, -89.49 0.72, -93.79 489.51 80
4 09/12/2025 07:23:29 -0.22, -89.49 -0.30, -89.27 26.43 80
5 09/14/2025 19:26:46 0.23, -89.53 0.12, -90.05 59.27 80
6 09/15/2025 19:10:43 0.23, -89.53 1.15, -85.53 456.80 80
7 09/17/2025 07:32:34 -0.23, -89.51 0.03, -90.80 147.28 80
8 09/18/2025 07:11:11 -0.24, -89.51 -1.00, -86.28 369.02 80
9 09/19/2025 19:33:10 0.24, -89.56 -0.20, -91.59 231.16 80
10 09/20/2025 19:17:07 0.24, -89.57 0.78, -87.05 286.03 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/7/2025
SNOs_Map_GOES-17_NPP_20250908.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/07/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP