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: 3/13/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/14/2026 19:36:29 -0.67, -89.48 -1.06, -91.34 211.45 80
2 03/15/2026 19:20:24 -0.68, -89.48 -0.05, -86.81 305.74 80
3 03/17/2026 07:39:32 0.66, -89.51 1.23, -92.07 291.12 80
4 03/18/2026 07:23:28 0.67, -89.52 0.22, -87.53 226.19 80
5 03/19/2026 19:42:44 -0.64, -89.49 -1.39, -92.83 380.75 80
6 03/20/2026 19:26:40 -0.66, -89.49 -0.37, -88.29 136.75 80
7 03/22/2026 07:45:48 0.63, -89.52 1.55, -93.55 459.84 80
8 03/23/2026 07:29:44 0.64, -89.52 0.52, -89.02 57.49 80
9 03/25/2026 19:30:14 -0.64, -89.49 -0.73, -89.77 32.53 80
10 03/26/2026 19:14:10 -0.66, -89.49 0.29, -85.23 485.37 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 3/13/2026
SNOs_Map_GOES-17_NPP_20260314.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 03/13/2026 in txt file.

Historical Predications of SNOs between GOES-17 and NPP