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: 5/15/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 05/16/2025 22:55:23 -0.07, 61.76 0.01, 61.41 40.36 80
2 05/17/2025 22:39:13 -0.06, 61.79 -1.00, 65.98 478.45 80
3 05/19/2025 10:58:24 0.08, 61.81 -0.15, 60.74 120.93 80
4 05/20/2025 10:42:14 0.07, 61.83 0.87, 65.32 397.67 80
5 05/21/2025 23:01:14 -0.10, 61.88 0.28, 60.12 200.86 80
6 05/22/2025 22:45:05 -0.09, 61.91 -0.74, 64.69 317.65 80
7 05/24/2025 11:04:14 0.11, 61.93 -0.46, 59.46 282.22 80
8 05/25/2025 10:48:05 0.11, 61.96 0.56, 64.03 235.68 80
9 05/26/2025 23:07:05 -0.14, 62.03 0.58, 58.83 364.44 80
10 05/27/2025 22:50:56 -0.13, 62.06 -0.44, 63.40 153.12 80
11 05/29/2025 11:10:05 0.16, 62.10 -0.74, 58.17 447.65 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 5/15/2025
SNOs_Map_GOES-15_FY3D_20250516.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 05/15/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D