Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2022   10:55:23   (  -0.01,-137.33) (  -0.53,-134.98)  268.20                80
 12/20/2022   23:17:58   (   0.01,-137.32) (  -0.70,-140.42)  353.22                80
 12/21/2022   23:02:19   (   0.00,-137.32) (   0.28,-135.98)  151.84                80
 12/23/2022   11:24:45   (  -0.00,-137.30) (   0.91,-141.39)  465.33                80
 12/24/2022   11:03:45   (   0.00,-137.29) (  -0.08,-136.95)   39.20                80
 12/26/2022   23:08:01   (  -0.01,-137.25) (  -0.15,-137.95)   79.45                80
 12/27/2022   22:52:22   (  -0.02,-137.23) (   0.85,-133.51)  424.91                80
 12/29/2022   11:14:47   (   0.02,-137.21) (   0.39,-138.91)  192.95                80
 12/30/2022   10:53:48   (   0.02,-137.20) (  -0.60,-134.47)  311.20                80
 12/31/2022   23:16:22   (  -0.02,-137.17) (  -0.67,-139.90)  312.33                80
 01/01/2023   23:00:42   (  -0.02,-137.15) (   0.33,-135.46)  191.60                80