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: 9/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/18/2025 07:11:11 -0.24, -89.47 -0.97, -86.27 364.85 80
2 09/19/2025 19:33:10 0.24, -89.52 -0.23, -91.58 235.20 80
3 09/20/2025 19:17:07 0.24, -89.52 0.81, -87.06 281.29 80
4 09/22/2025 07:38:58 -0.23, -89.49 0.37, -92.33 322.81 80
5 09/23/2025 07:17:34 -0.24, -89.50 -0.60, -87.79 193.59 80
6 09/24/2025 19:39:34 0.23, -89.55 -0.58, -93.10 405.99 80
7 09/25/2025 19:23:31 0.24, -89.56 0.45, -88.58 110.82 80
8 09/27/2025 07:45:21 -0.23, -89.53 0.73, -93.86 492.43 80
9 09/28/2025 07:23:59 -0.24, -89.54 -0.31, -89.33 24.07 80
10 09/30/2025 19:27:15 0.24, -89.59 0.13, -90.11 59.17 80
11 10/01/2025 19:11:12 0.25, -89.60 1.17, -85.59 457.77 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/17/2025
SNOs_Map_GOES-17_NPP_20250918.jpg

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

Historical Predications of SNOs between GOES-17 and NPP