Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-14 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/20/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/20/2025 20:58:24 0.87,-108.35 0.00,-112.25 444.58 80
2 09/21/2025 20:37:01 0.90,-108.36 1.03,-107.73 71.78 80
3 09/24/2025 08:42:48 -0.87,-108.39 -0.83,-108.47 9.29 80
4 09/26/2025 20:46:04 0.84,-108.39 0.64,-109.24 98.05 80
5 09/27/2025 20:24:42 0.88,-108.39 1.68,-104.72 417.77 80
6 09/29/2025 08:49:11 -0.82,-108.42 -0.44,-109.98 178.81 80
7 09/30/2025 08:27:49 -0.86,-108.42 -1.54,-105.47 336.07 80
8 10/01/2025 20:52:27 0.79,-108.40 0.27,-110.76 269.32 80
9 10/02/2025 20:31:04 0.84,-108.40 1.32,-106.24 246.22 80
10 10/04/2025 08:55:33 -0.76,-108.44 -0.07,-111.50 349.03 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 9/20/2025
SNOs_Map_GOES-14_NPP_20250921.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 09/20/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP