Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/16/2022   23:09:59   (  -0.05,-137.33) (  -0.47,-139.19)  212.39                80
 10/17/2022   22:54:14   (  -0.05,-137.32) (   0.56,-134.73)  295.77                80
 10/19/2022   11:13:50   (   0.04,-137.31) (   0.69,-140.09)  318.01                80
 10/20/2022   10:58:05   (   0.04,-137.30) (  -0.34,-135.64)  189.86                80
 10/21/2022   23:17:49   (  -0.03,-137.29) (  -0.85,-141.04)  427.15                80
 10/22/2022   23:02:02   (  -0.03,-137.28) (   0.12,-136.57)   80.59                80
 10/25/2022   11:03:13   (   0.03,-137.24) (   0.08,-137.47)   26.43                80
 10/26/2022   10:47:27   (   0.04,-137.22) (  -0.91,-133.00)  480.60                80
 10/27/2022   23:07:11   (  -0.03,-137.19) (  -0.28,-138.41)  138.20                80
 10/28/2022   22:51:25   (  -0.03,-137.17) (   0.70,-133.94)  368.19                80