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: 9/6/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/07/2025 07:17:04 -0.22, -89.48 -0.62, -87.73 200.05 80
2 09/08/2025 19:39:04 0.22, -89.52 -0.54, -93.05 401.28 80
3 09/09/2025 19:23:00 0.22, -89.52 0.42, -88.51 114.87 80
4 09/11/2025 07:44:51 -0.22, -89.49 0.76, -93.78 489.63 80
5 09/12/2025 07:23:28 -0.22, -89.49 -0.27, -89.26 26.08 80
6 09/14/2025 19:26:45 0.23, -89.53 0.09, -90.04 59.78 80
7 09/15/2025 19:10:43 0.23, -89.53 1.12, -85.52 456.30 80
8 09/17/2025 07:32:33 -0.23, -89.50 0.06, -90.80 147.64 80
9 09/18/2025 07:11:10 -0.24, -89.51 -0.97, -86.27 368.59 80
10 09/19/2025 19:33:10 0.24, -89.55 -0.21, -91.58 231.79 80
11 09/20/2025 19:17:07 0.24, -89.56 0.83, -87.06 285.34 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/6/2025
SNOs_Map_GOES-17_NPP_20250907.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/06/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP