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: 7/21/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/21/2026 19:25:27 0.87, -89.50 1.36, -87.36 243.77 80
2 07/23/2026 07:44:38 -0.93, -89.50 -0.24, -92.64 358.02 80
3 07/24/2026 07:28:35 -0.91, -89.50 -1.24, -88.11 158.98 80
4 07/25/2026 19:47:53 0.97, -89.50 0.06, -93.41 446.32 80
5 07/26/2026 19:31:50 0.95, -89.50 1.06, -88.88 70.94 80
6 07/29/2026 07:32:18 -0.97, -89.51 -0.95, -89.62 12.53 80
7 07/31/2026 19:35:32 1.00, -89.53 0.78, -90.39 99.26 80
8 08/01/2026 19:19:29 0.98, -89.53 1.78, -85.86 418.61 80
9 08/03/2026 07:38:40 -1.02, -89.55 -0.68, -91.14 180.89 80
10 08/04/2026 07:22:37 -1.01, -89.56 -1.69, -86.61 336.87 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/21/2026
SNOs_Map_GOES-17_NPP_20260722.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/21/2026 in txt file.

Historical Predications of SNOs between GOES-17 and NPP