Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/9/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/09/2025 20:18:09 -0.01,-104.65 0.38,-102.98 190.35 80
2 01/11/2025 08:39:57 0.01,-104.71 0.83,-108.24 403.80 80
3 01/12/2025 08:18:33 0.01,-104.71 -0.21,-103.72 112.49 80
4 01/13/2025 20:40:31 -0.02,-104.65 -0.99,-109.02 497.90 80
5 01/14/2025 20:24:26 -0.01,-104.66 -0.00,-104.49 19.24 80
6 01/17/2025 08:27:32 0.01,-104.74 0.10,-105.24 57.03 80
7 01/18/2025 08:06:08 0.01,-104.75 -0.89,-100.71 459.89 80
8 01/19/2025 20:28:05 -0.01,-104.70 -0.28,-106.02 149.67 80
9 01/20/2025 20:12:00 -0.01,-104.71 0.71,-101.48 367.75 80
10 01/22/2025 08:33:50 0.01,-104.79 0.43,-106.76 224.39 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 1/9/2025
SNOs_Map_GOES-17_NPP_20250109.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 01/09/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP