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: 9/20/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/22/2025 11:27:24 0.33, 61.36 -0.52, 57.61 427.74 80
2 09/23/2025 11:05:54 0.36, 61.35 0.56, 62.17 93.53 80
3 09/24/2025 23:30:11 -0.30, 61.33 0.70, 57.01 493.53 80
4 09/25/2025 23:08:41 -0.34, 61.34 -0.38, 61.57 26.35 80
5 09/28/2025 11:14:18 0.30, 61.38 0.22, 60.93 50.80 80
6 09/29/2025 10:52:48 0.34, 61.38 1.25, 65.50 469.49 80
7 09/30/2025 23:17:05 -0.27, 61.37 -0.05, 60.33 118.31 80
8 10/01/2025 22:55:35 -0.32, 61.38 -1.15, 64.89 400.68 80
9 10/03/2025 11:20:01 0.25, 61.43 -0.15, 59.70 198.25 80
10 10/04/2025 10:58:31 0.29, 61.44 0.95, 64.26 321.57 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 9/20/2025
SNOs_Map_GOES-15_FY3D_20250921.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 09/20/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D