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: 7/18/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 07/18/2025 23:11:28 -0.43, 61.33 -0.04, 59.72 184.91 80
2 07/19/2025 22:49:58 -0.43, 61.34 -1.10, 64.28 335.39 80
3 07/21/2025 11:11:46 0.44, 61.31 -0.07, 59.06 256.83 80
4 07/22/2025 10:55:36 0.44, 61.32 1.00, 63.62 263.50 80
5 07/23/2025 23:17:15 -0.45, 61.38 0.19, 58.44 335.21 80
6 07/24/2025 22:55:45 -0.45, 61.40 -0.82, 63.02 184.64 80
7 07/26/2025 11:17:32 0.46, 61.37 -0.34, 57.79 408.38 80
8 07/27/2025 11:01:22 0.46, 61.38 0.67, 62.37 112.11 80
9 07/28/2025 23:23:01 -0.46, 61.43 0.51, 57.18 485.27 80
10 07/29/2025 23:01:32 -0.46, 61.45 -0.56, 61.74 34.68 80
11 08/01/2025 11:04:28 0.47, 61.45 0.36, 61.11 39.47 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 7/18/2025
SNOs_Map_GOES-15_FY3D_20250719.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 07/18/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D