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: 10/10/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/12/2025 20:46:23 0.69,-108.43 0.50,-109.23 91.56 80
2 10/13/2025 20:25:01 0.74,-108.44 1.57,-104.72 423.73 80
3 10/15/2025 08:49:29 -0.65,-108.47 -0.30,-109.97 171.16 80
4 10/16/2025 08:28:07 -0.71,-108.47 -1.37,-105.45 343.64 80
5 10/17/2025 20:52:43 0.60,-108.45 0.11,-110.74 260.60 80
6 10/18/2025 20:31:21 0.67,-108.46 1.19,-106.22 255.19 80
7 10/20/2025 08:55:48 -0.56,-108.50 0.14,-111.46 337.72 80
8 10/21/2025 08:34:25 -0.62,-108.50 -0.94,-106.94 177.29 80
9 10/22/2025 20:59:01 0.50,-108.47 -0.36,-112.22 427.68 80
10 10/23/2025 20:37:38 0.57,-108.48 0.72,-107.70 87.79 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 10/10/2025
SNOs_Map_GOES-14_NPP_20251011.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 10/10/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP