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: 3/5/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/06/2025 08:27:16 -0.00,-104.40 0.16,-105.08 77.72 80
2 03/07/2025 08:05:51 -0.00,-104.39 -0.87,-100.54 439.09 80
3 03/08/2025 20:27:45 0.01,-104.41 -0.32,-105.83 161.81 80
4 03/09/2025 20:11:40 0.01,-104.41 0.72,-101.30 355.24 80
5 03/11/2025 08:33:26 -0.01,-104.39 0.45,-106.56 246.69 80
6 03/12/2025 08:12:00 -0.01,-104.39 -0.53,-102.01 270.73 80
7 03/13/2025 20:33:54 0.01,-104.42 -0.65,-107.31 329.31 80
8 03/14/2025 20:17:48 0.01,-104.43 0.39,-102.77 188.43 80
9 03/16/2025 08:39:34 -0.01,-104.41 0.81,-108.03 412.58 80
10 03/17/2025 08:18:08 -0.01,-104.41 -0.23,-103.49 105.10 80
11 03/18/2025 20:40:03 0.01,-104.44 -0.94,-108.79 495.06 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 3/5/2025
SNOs_Map_GOES-17_NPP_20250306.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 03/05/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP