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: 9/23/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/25/2026 07:48:29 -0.95, -89.48 -0.28, -92.44 337.54 80
2 09/26/2026 07:27:06 -1.00, -89.48 -1.37, -87.92 178.18 80
3 09/27/2026 19:51:42 0.91, -89.49 0.10, -93.20 422.50 80
4 09/28/2026 19:30:19 0.97, -89.49 1.14, -88.67 93.34 80
5 10/01/2026 07:33:23 -0.93, -89.49 -0.93, -89.38 12.09 80
6 10/03/2026 19:39:16 0.88, -89.49 0.71, -90.13 73.45 80
7 10/04/2026 19:17:53 0.94, -89.50 1.81, -85.62 442.20 80
8 10/06/2026 07:42:20 -0.84, -89.51 -0.55, -90.86 153.77 80
9 10/07/2026 07:20:57 -0.90, -89.51 -1.60, -86.33 362.13 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/23/2026
SNOs_Map_GOES-17_NPP_20260924.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/23/2026 in txt file.

Historical Predications of SNOs between GOES-17 and NPP