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: 9/11/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/12/2025 11:15:54 0.41, 61.37 0.11, 60.11 144.76 80
2 09/13/2025 10:54:24 0.44, 61.37 1.18, 64.67 376.62 80
3 09/14/2025 23:18:42 -0.39, 61.36 0.05, 59.50 212.78 80
4 09/15/2025 22:57:12 -0.42, 61.37 -1.03, 64.06 307.31 80
5 09/17/2025 11:21:39 0.37, 61.38 -0.19, 58.85 288.20 80
6 09/18/2025 11:00:10 0.41, 61.37 0.89, 63.41 232.89 80
7 09/19/2025 23:24:27 -0.35, 61.36 0.33, 58.24 354.92 80
8 09/20/2025 23:02:57 -0.39, 61.36 -0.69, 62.82 165.34 80
9 09/22/2025 11:27:24 0.32, 61.38 -0.52, 57.60 431.17 80
10 09/23/2025 11:05:55 0.36, 61.38 0.56, 62.16 89.86 80
11 09/24/2025 23:30:11 -0.29, 61.36 0.71, 57.00 496.91 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 9/11/2025
SNOs_Map_GOES-15_FY3D_20250912.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 09/11/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D