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: 5/20/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/22/2025 20:25:12 -0.01,-104.42 0.00,-104.37 6.05 80
2 05/25/2025 08:28:16 0.01,-104.40 0.19,-105.10 80.15 80
3 05/26/2025 08:06:53 0.01,-104.40 -0.84,-100.57 435.80 80
4 05/27/2025 20:28:50 -0.01,-104.41 -0.36,-105.87 167.18 80
5 05/28/2025 20:12:47 -0.00,-104.41 0.68,-101.35 349.06 80
6 05/30/2025 08:34:36 -0.00,-104.40 0.49,-106.62 253.33 80
7 05/31/2025 08:13:13 -0.00,-104.39 -0.55,-102.10 262.62 80
8 06/01/2025 20:35:10 0.01,-104.41 -0.64,-107.40 340.50 80
9 06/02/2025 20:19:05 0.01,-104.41 0.35,-102.86 176.32 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 5/20/2025
SNOs_Map_GOES-17_NPP_20250521.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 05/20/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP