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: 9/20/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/21/2026 07:20:48 -1.06, -89.48 -1.77, -86.45 345.89 80
2 09/22/2026 19:45:25 0.99, -89.48 0.48, -91.72 256.32 80
3 09/23/2026 19:24:02 1.04, -89.48 1.58, -87.21 259.29 80
4 09/25/2026 07:48:28 -0.95, -89.48 -0.27, -92.44 337.89 80
5 09/26/2026 07:27:06 -1.01, -89.48 -1.37, -87.92 177.71 80
6 09/27/2026 19:51:42 0.91, -89.48 0.09, -93.20 423.60 80
7 09/28/2026 19:30:19 0.97, -89.48 1.13, -88.67 92.09 80
8 10/01/2026 07:33:24 -0.93, -89.48 -0.97, -89.40 10.98 80
9 10/03/2026 19:39:16 0.88, -89.48 0.76, -90.15 75.39 80
10 10/04/2026 19:17:53 0.94, -89.48 1.80, -85.62 440.12 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/20/2026
SNOs_Map_GOES-17_NPP_20260921.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/20/2026 in txt file.

Historical Predications of SNOs between GOES-17 and NPP