Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/16/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/17/2025 11:21:39 0.37, 61.36 -0.22, 58.86 286.56 80
2 09/18/2025 11:00:09 0.41, 61.36 0.86, 63.42 234.75 80
3 09/19/2025 23:24:27 -0.35, 61.35 0.36, 58.25 353.44 80
4 09/20/2025 23:02:57 -0.39, 61.35 -0.72, 62.81 166.95 80
5 09/22/2025 11:27:24 0.33, 61.36 -0.55, 57.61 428.56 80
6 09/23/2025 11:05:54 0.36, 61.36 0.54, 62.17 92.65 80
7 09/24/2025 23:30:11 -0.30, 61.34 0.68, 57.00 494.41 80
8 09/25/2025 23:08:42 -0.33, 61.34 -0.41, 61.56 25.52 80
9 09/28/2025 11:14:18 0.30, 61.39 0.18, 60.93 52.00 80
10 09/29/2025 10:52:48 0.34, 61.39 1.27, 65.50 468.19 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 9/16/2025
SNOs_Map_GOES-15_FY3D_20250917.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 09/16/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D