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: 8/12/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 08/12/2025 21:08:47 0.16, -89.51 0.29, -88.98 60.63 80
2 08/15/2025 09:11:37 -0.16, -89.48 -0.13, -89.60 13.45 80
3 08/17/2025 21:11:55 0.17, -89.51 0.00, -90.25 85.09 80
4 08/18/2025 20:55:46 0.17, -89.51 1.05, -85.69 436.10 80
5 08/20/2025 09:17:25 -0.18, -89.48 0.15, -90.87 158.57 80
6 08/21/2025 08:55:56 -0.18, -89.49 -0.90, -86.30 362.83 80
7 08/22/2025 21:17:44 0.18, -89.52 -0.26, -91.53 229.00 80
8 08/23/2025 21:01:35 0.19, -89.53 0.78, -86.96 293.23 80
9 08/25/2025 09:23:14 -0.19, -89.52 0.40, -92.15 299.32 80
10 08/26/2025 09:01:44 -0.19, -89.53 -0.65, -87.58 223.02 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 8/12/2025
SNOs_Map_GOES-17_FY3D_20250813.jpg

Download SNOs between GOES-17 and FY3D since TLE EPOCH: 08/12/2025 in txt file.

Historical Predications of SNOs between GOES-17 and FY3D