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: 9/13/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/14/2025 23:18:42 -0.39, 61.36 0.03, 59.50 212.52 80
2 09/15/2025 22:57:12 -0.42, 61.36 -1.04, 64.06 307.64 80
3 09/17/2025 11:21:39 0.37, 61.37 -0.23, 58.86 287.27 80
4 09/18/2025 11:00:09 0.41, 61.37 0.85, 63.42 233.94 80
5 09/19/2025 23:24:27 -0.35, 61.35 0.37, 58.25 354.16 80
6 09/20/2025 23:02:57 -0.39, 61.35 -0.71, 62.81 166.14 80
7 09/22/2025 11:27:23 0.32, 61.37 -0.56, 57.61 429.79 80
8 09/23/2025 11:05:54 0.36, 61.37 0.53, 62.17 91.32 80
9 09/24/2025 23:30:11 -0.29, 61.35 0.69, 57.00 495.67 80
10 09/25/2025 23:08:42 -0.33, 61.36 -0.40, 61.56 24.10 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 9/13/2025
SNOs_Map_GOES-15_FY3D_20250914.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 09/13/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D