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: 5/9/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/10/2025 08:06:38 -0.01,-104.41 -0.88,-100.57 437.58 80
2 05/11/2025 20:28:36 0.01,-104.45 -0.32,-105.87 162.54 80
3 05/12/2025 20:12:33 0.01,-104.46 0.70,-101.34 354.78 80
4 05/14/2025 08:34:22 -0.01,-104.45 0.46,-106.62 246.93 80
5 05/15/2025 08:12:58 -0.01,-104.45 -0.56,-102.09 269.82 80
6 05/16/2025 20:34:56 0.01,-104.48 -0.67,-107.38 331.42 80
7 05/17/2025 20:18:52 0.00,-104.49 0.35,-102.86 185.80 80
8 05/19/2025 08:40:42 -0.00,-104.49 0.81,-108.13 415.37 80
9 05/20/2025 08:19:18 0.00,-104.49 -0.21,-103.60 101.47 80
10 05/22/2025 20:25:12 -0.00,-104.53 0.03,-104.38 17.16 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 5/9/2025
SNOs_Map_GOES-17_NPP_20250510.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 05/09/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP