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: 1/25/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/26/2026 19:17:18 -0.50, -89.48 0.08, -87.02 281.65 80
2 01/28/2026 07:41:47 0.54, -89.52 1.15, -92.27 313.04 80
3 01/29/2026 07:20:23 0.53, -89.52 0.13, -87.74 202.61 80
4 01/30/2026 19:45:01 -0.57, -89.47 -1.35, -93.03 405.69 80
5 01/31/2026 19:23:37 -0.55, -89.47 -0.32, -88.50 110.75 80
6 02/02/2026 07:48:05 0.58, -89.53 1.55, -93.76 482.56 80
7 02/03/2026 07:26:42 0.57, -89.53 0.52, -89.23 34.07 80
8 02/05/2026 19:32:36 -0.58, -89.50 -0.68, -90.00 56.00 80
9 02/06/2026 19:11:12 -0.57, -89.52 0.36, -85.47 461.58 80
10 02/08/2026 07:35:41 0.60, -89.58 0.87, -90.72 130.44 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 1/25/2026
SNOs_Map_GOES-17_NPP_20260126.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 01/25/2026 in txt file.

Historical Predications of SNOs between GOES-17 and NPP