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: 4/16/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/17/2025 08:40:08 0.38,-108.32 0.36,-108.15 18.88 80
2 04/19/2025 20:40:44 -0.36,-108.34 -0.51,-108.94 69.44 80
3 04/20/2025 20:24:41 -0.39,-108.34 0.49,-104.41 447.32 80
4 04/22/2025 08:43:51 0.34,-108.33 0.64,-109.70 155.46 80
5 04/23/2025 08:27:48 0.37,-108.33 -0.36,-105.16 361.39 80
6 04/24/2025 20:47:07 -0.32,-108.34 -0.80,-110.48 243.48 80
7 04/25/2025 20:31:04 -0.34,-108.35 0.21,-105.95 273.41 80
8 04/27/2025 08:50:13 0.29,-108.34 0.95,-111.22 329.54 80
9 04/28/2025 08:34:09 0.31,-108.34 -0.06,-106.70 187.09 80
10 04/29/2025 20:53:29 -0.25,-108.34 -1.07,-112.01 418.49 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 4/16/2025
SNOs_Map_GOES-14_NPP_20250417.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 04/16/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP