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: 9/22/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/24/2025 08:42:48 -0.87,-108.39 -0.82,-108.46 9.61 80
2 09/26/2025 20:46:04 0.84,-108.38 0.64,-109.24 98.32 80
3 09/27/2025 20:24:41 0.88,-108.39 1.68,-104.72 417.45 80
4 09/29/2025 08:49:11 -0.82,-108.41 -0.46,-109.98 179.06 80
5 09/30/2025 08:27:48 -0.86,-108.41 -1.50,-105.46 335.79 80
6 10/01/2025 20:52:25 0.79,-108.39 0.24,-110.75 269.72 80
7 10/02/2025 20:31:03 0.84,-108.40 1.30,-106.23 245.83 80
8 10/04/2025 08:55:32 -0.76,-108.43 -0.07,-111.50 349.34 80
9 10/05/2025 08:34:10 -0.81,-108.43 -1.13,-106.98 165.55 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 9/22/2025
SNOs_Map_GOES-14_NPP_20250923.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 09/22/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP