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: 11/8/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/09/2025 07:39:48 -0.09, -89.49 0.52, -92.30 320.12 80
2 11/10/2025 07:18:23 -0.12, -89.49 -0.48, -87.77 195.46 80
3 11/11/2025 19:43:00 0.07, -89.50 -0.72, -93.06 405.85 80
4 11/12/2025 19:21:36 0.10, -89.51 0.33, -88.54 110.86 80
5 11/14/2025 07:46:03 -0.06, -89.51 0.93, -93.78 487.72 80
6 11/15/2025 07:24:40 -0.08, -89.52 -0.14, -89.26 28.83 80
7 11/17/2025 19:30:32 0.06, -89.54 -0.05, -90.02 54.45 80
8 11/18/2025 19:09:08 0.08, -89.55 1.02, -85.50 463.00 80
9 11/20/2025 07:33:36 -0.03, -89.57 0.22, -90.75 134.32 80
10 11/21/2025 07:12:11 -0.06, -89.57 -0.79, -86.21 382.50 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 11/8/2025
SNOs_Map_GOES-17_NPP_20251109.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 11/08/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP