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: 9/16/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/17/2025 21:30:28 0.18, -89.51 -0.68, -93.26 428.57 80
2 09/18/2025 21:08:58 0.19, -89.51 0.40, -88.70 93.40 80
3 09/20/2025 09:33:16 -0.17, -89.51 0.82, -93.87 497.63 80
4 09/21/2025 09:11:46 -0.19, -89.52 -0.26, -89.31 24.46 80
5 09/23/2025 21:17:23 0.18, -89.56 0.08, -89.95 45.00 80
6 09/24/2025 20:55:53 0.19, -89.57 1.16, -85.38 477.71 80
7 09/26/2025 09:20:11 -0.17, -89.57 0.05, -90.56 112.19 80
8 09/27/2025 08:58:40 -0.18, -89.58 -0.97, -85.98 409.99 80
9 09/28/2025 21:23:08 0.16, -89.61 -0.22, -91.20 181.99 80
10 09/29/2025 21:01:38 0.17, -89.62 0.87, -86.64 340.72 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 9/16/2025
SNOs_Map_GOES-17_FY3D_20250917.jpg

Download SNOs between GOES-17 and FY3D since TLE EPOCH: 09/16/2025 in txt file.

Historical Predications of SNOs between GOES-17 and FY3D