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: 10/1/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/03/2025 07:33:01 -0.23, -89.48 0.04, -90.85 155.08 80
2 10/04/2025 07:11:37 -0.25, -89.48 -0.96, -86.32 360.83 80
3 10/05/2025 19:36:16 0.23, -89.51 -0.23, -91.62 240.00 80
4 10/06/2025 19:14:52 0.24, -89.52 0.78, -87.09 276.58 80
5 10/08/2025 07:39:21 -0.22, -89.50 0.43, -92.35 325.61 80
6 10/09/2025 07:17:58 -0.23, -89.50 -0.58, -87.83 190.47 80
7 10/10/2025 19:42:36 0.21, -89.53 -0.57, -93.13 410.79 80
8 10/11/2025 19:21:13 0.22, -89.53 0.44, -88.61 105.65 80
9 10/13/2025 07:45:42 -0.20, -89.52 0.76, -93.87 495.85 80
10 10/14/2025 07:24:19 -0.22, -89.52 -0.27, -89.34 20.38 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/1/2025
SNOs_Map_GOES-17_NPP_20251002.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/01/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP