Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 4 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/05/2023   22:33:48   (  -0.15,-128.79) (   0.06,-127.83)  108.52                 0
 04/07/2023   10:57:32   (   0.14,-129.45) (   1.02,-133.24)  432.85                80
 04/08/2023   10:36:31   (   0.15,-129.86) (  -0.12,-128.82)  119.20                80
 04/09/2023   23:01:43   (  -0.13,-130.45) (  -0.97,-134.27)  435.12                80
 04/10/2023   22:40:42   (  -0.14,-130.84) (   0.11,-129.83)  116.00                80
 04/12/2023   11:05:44   (   0.13,-131.49) (   1.00,-135.23)  427.42                80
 04/13/2023   10:44:43   (   0.14,-131.89) (  -0.08,-130.80)  123.73                80
 04/14/2023   23:09:55   (  -0.13,-132.46) (  -0.99,-136.25)  431.40                80
 04/15/2023   22:48:54   (  -0.14,-132.86) (   0.10,-131.81)  119.27                80
 04/17/2023   11:13:56   (   0.13,-133.50) (   0.99,-137.22)  424.94                80
 04/18/2023   10:52:55   (   0.14,-133.89) (  -0.10,-132.78)  126.06                80