Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2026 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2026   10:38:38   (   0.05,-104.71) (  -0.04,-104.32)   44.22                80
 04/13/2026   22:38:42   (  -0.04,-104.67) (  -0.12,-104.90)   26.65                80
 04/14/2026   22:22:28   (  -0.05,-104.67) (   0.96,-100.31)  497.88                80
 04/16/2026   10:41:19   (   0.03,-104.71) (   0.22,-105.46)   85.83                80
 04/17/2026   10:25:05   (   0.04,-104.71) (  -0.86,-100.87)  438.48                80
 04/18/2026   22:44:04   (  -0.02,-104.67) (  -0.31,-106.05)  157.35                80
 04/19/2026   22:27:48   (  -0.02,-104.66) (   0.71,-101.45)  366.56                80
 04/21/2026   10:46:40   (   0.00,-104.69) (   0.46,-106.60)  218.16                80
 04/22/2026   10:30:25   (   0.01,-104.69) (  -0.62,-102.01)  305.79                80
 04/23/2026   22:49:25   (   0.01,-104.64) (  -0.55,-107.19)  290.11                80