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: 10/23/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/24/2025 07:39:38 -0.17, -89.49 0.46, -92.35 325.07 80
2 10/25/2025 07:18:15 -0.19, -89.49 -0.57, -87.82 190.33 80
3 10/26/2025 19:42:51 0.16, -89.50 -0.67, -93.11 411.45 80
4 10/27/2025 19:21:27 0.18, -89.50 0.37, -88.58 104.52 80
5 10/29/2025 07:45:57 -0.14, -89.49 0.82, -93.85 496.77 80
6 10/30/2025 07:24:33 -0.17, -89.49 -0.22, -89.32 18.99 80
7 11/01/2025 19:30:26 0.15, -89.50 0.05, -90.09 66.24 80
8 11/02/2025 19:09:03 0.17, -89.51 1.09, -85.56 450.40 80
9 11/04/2025 07:33:31 -0.13, -89.50 0.14, -90.82 149.59 80
10 11/05/2025 07:12:08 -0.15, -89.50 -0.90, -86.30 366.51 80
11 11/06/2025 19:36:43 0.11, -89.51 -0.36, -91.58 235.05 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/23/2025
SNOs_Map_GOES-17_NPP_20251024.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/23/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP