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: 10/14/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/16/2025 19:30:13 0.21, -89.51 0.09, -90.11 68.41 80
2 10/17/2025 19:08:50 0.23, -89.52 1.11, -85.59 448.32 80
3 10/19/2025 07:33:19 -0.20, -89.50 0.09, -90.85 153.62 80
4 10/20/2025 07:11:56 -0.22, -89.51 -0.93, -86.32 362.88 80
5 10/21/2025 19:36:33 0.19, -89.54 -0.26, -91.62 236.47 80
6 10/22/2025 19:15:10 0.20, -89.55 0.77, -87.09 280.68 80
7 10/24/2025 07:39:39 -0.17, -89.55 0.43, -92.36 320.07 80
8 10/25/2025 07:18:15 -0.19, -89.55 -0.60, -87.83 196.49 80
9 10/26/2025 19:42:52 0.16, -89.58 -0.64, -93.12 403.42 80
10 10/27/2025 19:21:28 0.18, -89.59 0.39, -88.59 113.74 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/14/2025
SNOs_Map_GOES-17_NPP_20251015.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/14/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP