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: 9/29/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 10/01/2025 09:25:53 -0.15, -89.50 0.40, -91.79 261.74 80
2 10/02/2025 09:04:24 -0.17, -89.50 -0.71, -87.23 259.46 80
3 10/03/2025 21:28:50 0.14, -89.50 -0.52, -92.43 334.53 80
4 10/04/2025 21:07:20 0.16, -89.51 0.53, -87.86 187.46 80
5 10/06/2025 09:31:36 -0.13, -89.51 0.70, -93.03 401.45 80
6 10/07/2025 09:10:06 -0.15, -89.52 -0.41, -88.47 120.32 80
7 10/08/2025 21:34:32 0.11, -89.52 -0.85, -93.67 473.63 80
8 10/09/2025 21:13:01 0.13, -89.52 0.22, -89.10 48.52 80
9 10/12/2025 09:18:27 -0.11, -89.54 -0.06, -89.69 18.10 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 9/29/2025
SNOs_Map_GOES-17_FY3D_20250930.jpg

Download SNOs between GOES-17 and FY3D since TLE EPOCH: 09/29/2025 in txt file.

Historical Predications of SNOs between GOES-17 and FY3D