Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 12 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2022   23:08:01   (  -0.02,-137.33) (  -0.16,-137.95)   70.58                80
 12/27/2022   22:52:22   (  -0.02,-137.32) (   0.84,-133.51)  434.92                80
 12/29/2022   11:14:47   (   0.02,-137.31) (   0.40,-138.90)  181.82                80
 12/30/2022   10:53:49   (   0.02,-137.31) (  -0.65,-134.48)  323.57                80
 12/31/2022   23:16:23   (  -0.02,-137.30) (  -0.63,-139.91)  297.50                80
 01/01/2023   23:00:43   (  -0.03,-137.29) (   0.37,-135.47)  207.60                80
 01/03/2023   11:23:09   (   0.03,-137.27) (   0.87,-140.86)  410.00                80
 01/04/2023   11:02:09   (   0.04,-137.26) (  -0.13,-136.43)   94.65                80
 01/06/2023   23:06:25   (  -0.05,-137.22) (  -0.08,-137.43)   23.43                80
 01/07/2023   22:48:06   (  -0.05,-137.21) (   0.93,-132.99)  480.78                80