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: 10/11/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/13/2025 07:45:42 -0.20, -89.48 0.80, -93.86 499.72 80
2 10/14/2025 07:24:19 -0.22, -89.48 -0.27, -89.34 15.97 80
3 10/16/2025 19:30:13 0.21, -89.51 0.08, -90.11 68.16 80
4 10/17/2025 19:08:50 0.23, -89.52 1.10, -85.58 448.66 80
5 10/19/2025 07:33:19 -0.20, -89.51 0.10, -90.85 152.94 80
6 10/20/2025 07:11:56 -0.22, -89.51 -0.92, -86.32 363.68 80
7 10/21/2025 19:36:33 0.19, -89.55 -0.27, -91.62 235.67 80
8 10/22/2025 19:15:09 0.20, -89.56 0.75, -87.09 281.59 80
9 10/24/2025 07:39:39 -0.17, -89.56 0.45, -92.36 318.80 80
10 10/25/2025 07:18:15 -0.19, -89.57 -0.58, -87.83 197.86 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/11/2025
SNOs_Map_GOES-17_NPP_20251012.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/11/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP