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: 5/19/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/20/2025 08:19:17 -0.00,-104.39 -0.16,-103.59 91.24 80
2 05/22/2025 20:25:12 0.00,-104.42 0.03,-104.37 5.91 80
3 05/25/2025 08:28:17 -0.00,-104.40 0.16,-105.11 80.62 80
4 05/26/2025 08:06:53 -0.00,-104.40 -0.87,-100.58 435.23 80
5 05/27/2025 20:28:51 -0.00,-104.41 -0.33,-105.88 167.65 80
6 05/28/2025 20:12:47 -0.01,-104.41 0.70,-101.36 348.71 80
7 05/30/2025 08:34:36 0.02,-104.39 0.52,-106.61 253.44 80
8 05/31/2025 08:13:12 0.02,-104.39 -0.51,-102.09 262.59 80
9 06/01/2025 20:35:09 -0.02,-104.40 -0.67,-107.39 340.44 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 5/19/2025
SNOs_Map_GOES-17_NPP_20250520.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 05/19/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP