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: 10/8/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/09/2025 07:17:58 -0.23, -89.49 -0.60, -87.83 189.31 80
2 10/10/2025 19:42:36 0.21, -89.51 -0.63, -93.12 411.96 80
3 10/11/2025 19:21:13 0.22, -89.51 0.44, -88.61 103.89 80
4 10/13/2025 07:45:42 -0.20, -89.48 0.77, -93.87 499.43 80
5 10/14/2025 07:24:19 -0.22, -89.48 -0.25, -89.34 16.14 80
6 10/16/2025 19:30:13 0.21, -89.52 0.06, -90.11 68.21 80
7 10/17/2025 19:08:50 0.23, -89.52 1.13, -85.59 448.70 80
8 10/19/2025 07:33:20 -0.20, -89.51 0.07, -90.86 152.46 80
9 10/20/2025 07:11:56 -0.22, -89.52 -0.95, -86.33 364.23 80
10 10/21/2025 19:36:32 0.19, -89.56 -0.30, -91.62 235.48 80
11 10/22/2025 19:15:10 0.20, -89.57 0.78, -87.10 281.84 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/8/2025
SNOs_Map_GOES-17_NPP_20251009.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/08/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP