Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/21/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 07/21/2025 21:22:04 0.10, -89.52 0.00, -93.18 407.38 0
2 07/22/2025 21:04:22 0.10, -89.51 0.36, -88.45 121.41 80
3 07/24/2025 09:26:01 -0.11, -89.47 0.82, -93.64 475.27 80
4 07/25/2025 09:05:14 -0.11, -89.47 -0.18, -89.06 46.07 37
5 07/27/2025 21:07:29 0.12, -89.52 0.09, -89.72 23.11 80
6 07/28/2025 20:51:18 0.12, -89.52 1.11, -85.15 499.11 80
7 07/30/2025 09:12:58 -0.12, -89.50 0.08, -90.34 95.77 80
8 07/31/2025 08:54:08 -0.12, -89.50 -1.00, -85.77 426.46 80
9 08/01/2025 21:13:14 0.13, -89.55 -0.21, -90.98 163.58 80
10 08/02/2025 20:57:05 0.13, -89.56 0.86, -86.42 358.74 80
11 08/04/2025 09:18:44 -0.14, -89.54 0.32, -91.61 235.86 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 7/21/2025
SNOs_Map_GOES-17_FY3D_20250722.jpg

Download SNOs between GOES-17 and FY3D since TLE EPOCH: 07/21/2025 in txt file.

Historical Predications of SNOs between GOES-17 and FY3D