Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2026 1 20.  Predictions up to the next  14.0 days:

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