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: 8/16/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/17/2025 08:54:06 -0.90,-108.07 -0.17,-111.33 371.15 80
2 08/18/2025 08:35:22 -0.90,-108.08 -1.21,-106.80 146.50 80
3 08/19/2025 20:54:38 0.92,-108.10 0.02,-112.10 455.48 80
4 08/20/2025 20:38:34 0.92,-108.11 1.06,-107.57 62.79 80
5 08/23/2025 08:41:36 -0.93,-108.14 -0.91,-108.29 17.49 80
6 08/25/2025 20:42:06 0.93,-108.18 0.71,-109.05 100.40 80
7 08/26/2025 20:26:02 0.93,-108.19 1.75,-104.52 418.27 80
8 08/28/2025 08:47:48 -0.93,-108.21 -0.56,-109.78 178.96 80
9 08/29/2025 08:26:24 -0.93,-108.22 -1.61,-105.25 338.91 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 8/16/2025
SNOs_Map_GOES-14_NPP_20250817.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 08/16/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP