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: 10/6/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/06/2025 19:14:52 0.24, -89.53 0.77, -87.09 277.75 80
2 10/08/2025 07:39:21 -0.22, -89.51 0.45, -92.35 324.82 80
3 10/09/2025 07:17:59 -0.23, -89.51 -0.62, -87.83 191.48 80
4 10/10/2025 19:42:36 0.21, -89.54 -0.61, -93.13 408.68 80
5 10/11/2025 19:21:14 0.22, -89.55 0.46, -88.61 108.05 80
6 10/13/2025 07:45:43 -0.20, -89.54 0.74, -93.87 493.82 80
7 10/14/2025 07:24:19 -0.22, -89.54 -0.27, -89.35 22.60 80
8 10/16/2025 19:30:13 0.21, -89.59 0.08, -90.11 59.72 80
9 10/17/2025 19:08:50 0.23, -89.61 1.11, -85.59 458.01 80
10 10/19/2025 07:33:19 -0.20, -89.61 0.10, -90.85 141.67 80
11 10/20/2025 07:11:57 -0.22, -89.63 -0.98, -86.34 375.89 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/6/2025
SNOs_Map_GOES-17_NPP_20251007.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/06/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP