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: 9/19/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/19/2025 23:24:27 -0.35, 61.34 0.33, 58.24 353.03 80
2 09/20/2025 23:02:58 -0.39, 61.34 -0.75, 62.81 167.42 80
3 09/22/2025 11:27:24 0.33, 61.36 -0.52, 57.61 427.94 80
4 09/23/2025 11:05:55 0.36, 61.35 0.56, 62.17 93.31 80
5 09/24/2025 23:30:11 -0.30, 61.33 0.71, 57.01 493.78 80
6 09/25/2025 23:08:41 -0.34, 61.34 -0.38, 61.57 26.08 80
7 09/28/2025 11:14:18 0.30, 61.38 0.21, 60.93 51.11 80
8 09/29/2025 10:52:49 0.34, 61.38 1.30, 65.49 469.09 80
9 09/30/2025 23:17:05 -0.27, 61.37 -0.03, 60.33 118.75 80
10 10/01/2025 22:55:36 -0.32, 61.39 -1.12, 64.89 400.18 80
11 10/03/2025 11:20:01 0.25, 61.44 -0.18, 59.70 198.83 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 9/19/2025
SNOs_Map_GOES-15_FY3D_20250920.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 09/19/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D