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: 10/3/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 10/03/2025 21:28:50 0.14, -89.49 -0.51, -92.43 334.84 80
2 10/04/2025 21:07:19 0.16, -89.50 0.54, -87.86 187.21 80
3 10/06/2025 09:31:36 -0.13, -89.51 0.69, -93.03 401.81 80
4 10/07/2025 09:10:05 -0.15, -89.51 -0.37, -88.46 119.93 80
5 10/08/2025 21:34:32 0.11, -89.51 -0.82, -93.67 473.82 80
6 10/09/2025 21:13:01 0.13, -89.52 0.25, -89.10 48.42 80
7 10/12/2025 09:18:27 -0.11, -89.53 -0.10, -89.70 18.44 80
8 10/14/2025 21:21:21 0.10, -89.54 -0.10, -90.32 89.81 80
9 10/15/2025 20:59:50 0.12, -89.55 0.98, -85.75 432.97 80
10 10/17/2025 09:24:07 -0.09, -89.58 0.22, -90.92 153.57 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 10/3/2025
SNOs_Map_GOES-17_FY3D_20251004.jpg

Download SNOs between GOES-17 and FY3D since TLE EPOCH: 10/03/2025 in txt file.

Historical Predications of SNOs between GOES-17 and FY3D