Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 1 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/14/2023   22:19:14   (  -0.00,-128.05) (   0.55,-125.63)  276.44                80
 01/16/2023   10:41:39   (   0.00,-128.13) (   0.67,-131.03)  331.08                80
 01/17/2023   10:25:59   (   0.01,-128.14) (  -0.35,-126.59)  176.78                80
 01/18/2023   22:48:34   (  -0.01,-128.11) (  -0.88,-132.03)  446.03                80
 01/19/2023   22:27:33   (  -0.01,-128.12) (   0.09,-127.58)   61.04                80
 01/22/2023   10:31:39   (   0.01,-128.18) (   0.11,-128.55)   41.84                80
 01/23/2023   10:16:00   (   0.00,-128.19) (  -0.92,-124.11)  465.12                80
 01/24/2023   22:38:34   (   0.00,-128.16) (  -0.28,-129.55)  158.14                80
 01/25/2023   22:17:34   (   0.00,-128.16) (   0.69,-125.10)  348.60                80
 01/27/2023   10:39:59   (  -0.01,-128.21) (   0.53,-130.50)  261.59                80