Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/13/2022   10:39:26   (  -0.04,-137.20) (  -0.77,-134.01)  363.73                80
 02/14/2022   23:01:54   (   0.04,-137.19) (  -0.48,-139.42)  255.61                80
 02/15/2022   22:46:12   (   0.03,-137.18) (   0.55,-134.98)  250.97                80
 02/17/2022   11:08:33   (  -0.02,-137.17) (   0.68,-140.37)  364.07                80
 02/18/2022   10:47:30   (  -0.02,-137.16) (  -0.29,-135.91)  142.13                80
 02/19/2022   23:09:59   (   0.02,-137.14) (  -0.90,-141.34)  478.24                80
 02/20/2022   22:54:15   (   0.02,-137.13) (   0.07,-136.89)   27.56                80
 02/23/2022   10:58:13   (  -0.02,-137.09) (   0.17,-137.82)   83.60                80
 02/24/2022   10:37:11   (  -0.02,-137.07) (  -0.86,-133.38)  421.43                80
 02/25/2022   22:59:39   (   0.00,-137.03) (  -0.38,-138.79)  200.80                80
 02/26/2022   22:43:56   (  -0.00,-137.00) (   0.59,-134.34)  303.86                80