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: 9/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/18/2025 21:08:58 0.19, -89.50 0.40, -88.70 92.24 80
2 09/20/2025 09:33:16 -0.17, -89.49 0.82, -93.87 499.36 80
3 09/21/2025 09:11:45 -0.19, -89.50 -0.21, -89.29 22.44 80
4 09/23/2025 21:17:23 0.18, -89.53 0.08, -89.95 47.89 80
5 09/24/2025 20:55:53 0.19, -89.54 1.17, -85.38 474.47 80
6 09/26/2025 09:20:11 -0.17, -89.54 0.04, -90.56 116.01 80
7 09/27/2025 08:58:40 -0.18, -89.54 -0.99, -85.98 405.86 80
8 09/28/2025 21:23:08 0.16, -89.56 -0.21, -91.20 186.60 80
9 09/29/2025 21:01:37 0.17, -89.57 0.82, -86.63 335.78 80
10 10/01/2025 09:25:54 -0.15, -89.58 0.39, -91.80 253.76 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 9/17/2025
SNOs_Map_GOES-17_FY3D_20250918.jpg

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

Historical Predications of SNOs between GOES-17 and FY3D