Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/14/2022   11:06:01   (   0.05,-137.34) (   0.25,-138.26)  104.86                80
 10/15/2022   10:50:16   (   0.05,-137.33) (  -0.78,-133.80)  403.53                80
 10/16/2022   23:09:59   (  -0.04,-137.33) (  -0.49,-139.19)  213.00                80
 10/17/2022   22:54:13   (  -0.04,-137.32) (   0.54,-134.73)  295.12                80
 10/19/2022   11:13:51   (   0.03,-137.31) (   0.65,-140.10)  318.39                80
 10/20/2022   10:58:04   (   0.03,-137.30) (  -0.33,-135.63)  189.43                80
 10/21/2022   23:17:48   (  -0.02,-137.28) (  -0.86,-141.04)  427.88                80
 10/22/2022   23:02:02   (  -0.03,-137.27) (   0.11,-136.57)   79.82                80
 10/25/2022   11:03:13   (   0.02,-137.24) (   0.08,-137.47)   27.00                80
 10/26/2022   10:47:26   (   0.03,-137.22) (  -0.90,-133.00)  479.97                80
 10/27/2022   23:07:11   (  -0.02,-137.18) (  -0.28,-138.41)  139.10                80