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: 9/16/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/16/2025 20:30:38 0.93,-108.33 1.40,-106.20 242.03 80
2 09/18/2025 08:55:07 -0.89,-108.34 -0.17,-111.46 356.17 80
3 09/19/2025 08:33:46 -0.92,-108.35 -1.25,-106.96 159.49 80
4 09/20/2025 20:58:24 0.87,-108.35 0.00,-112.25 444.29 80
5 09/21/2025 20:37:01 0.90,-108.36 1.04,-107.73 72.23 80
6 09/24/2025 08:42:48 -0.87,-108.40 -0.83,-108.47 8.59 80
7 09/26/2025 20:46:04 0.84,-108.40 0.64,-109.24 96.76 80
8 09/27/2025 20:24:43 0.88,-108.41 1.74,-104.74 419.23 80
9 09/29/2025 08:49:12 -0.82,-108.44 -0.49,-110.00 177.17 80
10 09/30/2025 08:27:49 -0.86,-108.44 -1.53,-105.48 337.85 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 9/16/2025
SNOs_Map_GOES-14_NPP_20250917.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 09/16/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP