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: 5/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/19/2025 08:40:42 -0.01,-104.40 0.81,-108.13 424.95 80
2 05/20/2025 08:19:17 -0.01,-104.39 -0.16,-103.59 91.03 80
3 05/22/2025 20:25:12 0.01,-104.41 0.03,-104.37 5.28 80
4 05/25/2025 08:28:17 -0.01,-104.39 0.16,-105.11 81.34 80
5 05/26/2025 08:06:53 -0.01,-104.39 -0.88,-100.58 434.38 80
6 05/27/2025 20:28:51 0.00,-104.40 -0.32,-105.88 168.83 80
7 05/28/2025 20:12:46 -0.00,-104.40 0.66,-101.35 347.40 80
8 05/30/2025 08:34:35 0.01,-104.38 0.50,-106.62 254.74 80
9 05/31/2025 08:13:11 0.01,-104.38 -0.48,-102.08 261.25 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 5/17/2025
SNOs_Map_GOES-17_NPP_20250518.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 05/17/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP