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: 7/10/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/12/2025 19:25:48 0.05, -88.85 -0.21, -89.98 129.19 80
2 07/13/2025 19:09:42 0.05, -88.32 0.68, -85.42 330.25 80
3 07/15/2025 07:28:47 -0.06, -87.50 0.67, -90.65 359.79 80
4 07/16/2025 07:12:40 -0.05, -86.97 -0.22, -86.09 99.91 80
5 07/18/2025 19:13:08 0.06, -85.67 -0.19, -86.80 129.48 80
6 07/19/2025 18:57:02 0.06, -85.14 0.71, -82.24 330.19 80
7 07/21/2025 07:16:07 -0.07, -84.32 0.64, -87.47 359.58 80
8 07/22/2025 07:00:01 -0.07, -83.79 -0.26, -82.91 100.10 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/10/2025
SNOs_Map_GOES-17_NPP_20250711.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/10/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP