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: 9/12/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/13/2025 10:54:25 0.44, 61.36 1.21, 64.66 377.06 80
2 09/14/2025 23:18:42 -0.39, 61.36 0.02, 59.49 212.59 80
3 09/15/2025 22:57:13 -0.42, 61.36 -1.06, 64.06 307.56 80
4 09/17/2025 11:21:39 0.37, 61.37 -0.21, 58.85 287.53 80
5 09/18/2025 11:00:10 0.41, 61.37 0.86, 63.42 233.63 80
6 09/19/2025 23:24:27 -0.35, 61.35 0.36, 58.25 354.36 80
7 09/20/2025 23:02:57 -0.39, 61.36 -0.72, 62.81 165.90 80
8 09/22/2025 11:27:24 0.32, 61.38 -0.55, 57.61 430.19 80
9 09/23/2025 11:05:54 0.36, 61.37 0.54, 62.17 90.87 80
10 09/24/2025 23:30:11 -0.29, 61.35 0.68, 57.00 496.04 80
11 09/25/2025 23:08:42 -0.33, 61.36 -0.40, 61.56 23.75 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 9/12/2025
SNOs_Map_GOES-15_FY3D_20250913.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 09/12/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D