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: 9/4/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/05/2025 09:15:58 -0.19, -89.49 -0.07, -90.10 69.33 80
2 09/06/2025 08:54:29 -0.20, -89.49 -1.13, -85.54 451.47 80
3 09/07/2025 21:18:56 0.19, -89.50 -0.08, -90.75 142.36 80
4 09/08/2025 21:00:06 0.20, -89.51 0.93, -86.18 379.11 80
5 09/10/2025 09:21:44 -0.19, -89.49 0.25, -91.36 213.20 80
6 09/11/2025 09:00:15 -0.20, -89.49 -0.83, -86.80 307.93 80
7 09/12/2025 21:24:42 0.18, -89.50 -0.37, -92.01 286.21 80
8 09/13/2025 21:03:11 0.19, -89.50 0.65, -87.44 235.16 80
9 09/15/2025 09:27:30 -0.18, -89.49 0.51, -92.62 356.61 80
10 09/16/2025 09:05:59 -0.19, -89.49 -0.51, -88.05 164.56 80
11 09/17/2025 21:30:27 0.18, -89.50 -0.68, -93.26 429.34 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 9/4/2025
SNOs_Map_GOES-17_FY3D_20250905.jpg

Download SNOs between GOES-17 and FY3D since TLE EPOCH: 09/04/2025 in txt file.

Historical Predications of SNOs between GOES-17 and FY3D