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: 1/20/2026
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 01/21/2026 11:40:03 -0.93, 61.49 -1.85, 57.49 456.49 80
2 01/22/2026 11:23:50 -0.93, 61.50 -0.82, 62.08 65.96 80
3 01/24/2026 23:26:30 0.94, 61.41 0.89, 61.50 11.02 80
4 01/27/2026 11:26:39 -0.94, 61.56 -1.07, 60.90 75.54 80
5 01/28/2026 11:10:26 -0.95, 61.58 -0.03, 65.49 446.03 80
6 01/29/2026 23:29:19 0.94, 61.50 1.20, 60.33 133.04 80
7 01/30/2026 23:13:06 0.95, 61.52 0.17, 64.92 388.22 80
8 02/01/2026 11:32:08 -0.95, 61.67 -1.38, 59.73 220.86 80
9 02/02/2026 11:15:54 -0.96, 61.68 -0.35, 64.32 300.56 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 1/20/2026
SNOs_Map_GOES-15_FY3D_20260121.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 01/20/2026 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D