Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/23/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 10/24/2025 21:32:42 0.03, -89.49 -0.74, -92.77 373.89 80
2 10/25/2025 21:11:11 0.05, -89.49 0.35, -88.20 147.70 80
3 10/27/2025 09:35:27 -0.01, -89.50 0.86, -93.37 440.46 80
4 10/28/2025 09:13:56 -0.03, -89.50 -0.17, -88.79 80.71 80
5 10/30/2025 21:16:50 0.01, -89.49 0.03, -89.42 7.55 80
6 11/02/2025 09:22:15 0.01, -89.51 0.14, -90.01 57.35 80
7 11/03/2025 09:00:44 -0.02, -89.51 -0.96, -85.44 464.44 80
8 11/04/2025 21:25:07 -0.03, -89.50 -0.31, -90.63 129.98 80
9 11/05/2025 21:03:37 -0.01, -89.50 0.79, -86.07 392.31 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 10/23/2025
SNOs_Map_GOES-17_FY3D_20251024.jpg

Download SNOs between GOES-17 and FY3D since TLE EPOCH: 10/23/2025 in txt file.

Historical Predications of SNOs between GOES-17 and FY3D