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: 4/12/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/13/2025 20:53:04 -0.38,-108.32 -1.20,-111.93 412.65 80
2 04/14/2025 20:37:01 -0.40,-108.32 -0.17,-107.41 104.21 80
3 04/16/2025 08:56:12 0.35,-108.32 1.32,-112.69 497.85 80
4 04/17/2025 08:40:08 0.38,-108.32 0.34,-108.16 18.81 80
5 04/19/2025 20:40:45 -0.36,-108.33 -0.50,-108.95 70.07 80
6 04/20/2025 20:24:41 -0.39,-108.33 0.49,-104.41 446.59 80
7 04/22/2025 08:43:52 0.34,-108.33 0.65,-109.70 155.76 80
8 04/23/2025 08:27:48 0.37,-108.33 -0.34,-105.16 360.98 80
9 04/24/2025 20:47:09 -0.32,-108.34 -0.78,-110.49 244.62 80
10 04/25/2025 20:31:05 -0.34,-108.34 0.22,-105.96 272.15 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 4/12/2025
SNOs_Map_GOES-14_NPP_20250413.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 04/12/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP