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: 7/21/2026
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 07/21/2026 23:57:10 -1.37, 63.20 -0.47, 59.26 449.35 80
2 07/22/2026 23:35:34 -1.38, 63.20 -1.56, 63.85 75.56 80
3 07/25/2026 11:38:15 1.38, 63.27 1.41, 63.29 3.95 80
4 07/27/2026 23:43:28 -1.38, 63.17 -1.26, 62.75 48.02 80
5 07/28/2026 23:21:52 -1.40, 63.17 -2.35, 67.35 476.05 80
6 07/30/2026 11:46:09 1.37, 63.26 1.12, 62.19 122.60 80
7 07/31/2026 11:24:33 1.39, 63.26 2.22, 66.78 401.98 80
8 08/01/2026 23:48:42 -1.35, 63.16 -1.02, 61.64 172.46 80
9 08/02/2026 23:27:07 -1.38, 63.16 -2.11, 66.23 351.17 80
10 08/04/2026 11:51:22 1.32, 63.27 0.83, 61.09 248.52 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 7/21/2026
SNOs_Map_GOES-15_FY3D_20260722.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 07/21/2026 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D