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: 9/23/2025
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 -0.85,-108.47 9.09 80
2 09/26/2025 20:46:04 0.84,-108.38 0.66,-109.25 98.38 80
3 09/27/2025 20:24:42 0.88,-108.39 1.70,-104.72 417.34 80
4 09/29/2025 08:49:11 -0.82,-108.41 -0.47,-109.99 179.15 80
5 09/30/2025 08:27:48 -0.86,-108.41 -1.52,-105.47 335.65 80
6 10/01/2025 20:52:26 0.79,-108.39 0.25,-110.76 269.93 80
7 10/02/2025 20:31:03 0.84,-108.39 1.31,-106.24 245.58 80
8 10/04/2025 08:55:33 -0.76,-108.43 -0.08,-111.50 349.60 80
9 10/05/2025 08:34:10 -0.81,-108.43 -1.14,-106.98 165.26 80
10 10/06/2025 20:58:46 0.72,-108.40 -0.16,-112.26 440.69 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 9/23/2025
SNOs_Map_GOES-14_NPP_20250924.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 09/23/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP