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: 5/11/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/12/2025 20:12:32 -0.00,-104.43 0.67,-101.34 352.16 80
2 05/14/2025 08:34:21 0.00,-104.41 0.50,-106.61 251.14 80
3 05/15/2025 08:12:58 0.00,-104.40 -0.52,-102.08 264.77 80
4 05/16/2025 20:34:56 0.01,-104.43 -0.65,-107.39 337.62 80
5 05/17/2025 20:18:53 0.01,-104.43 0.37,-102.86 178.66 80
6 05/19/2025 08:40:42 -0.01,-104.41 0.79,-108.13 424.13 80
7 05/20/2025 08:19:17 -0.02,-104.41 -0.17,-103.59 91.90 80
8 05/22/2025 20:25:12 0.02,-104.43 0.04,-104.38 5.82 80
9 05/25/2025 08:28:17 -0.02,-104.41 0.16,-105.11 80.34 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 5/11/2025
SNOs_Map_GOES-17_NPP_20250512.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 05/11/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP