Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/27/2022   22:37:09   (  -0.11,-128.23) (  -1.10,-132.54)  492.45                80
 04/28/2022   22:21:26   (  -0.12,-128.21) (  -0.08,-128.10)   13.63                80
 05/01/2022   10:22:40   (   0.11,-128.15) (   0.30,-129.02)   99.50                80
 05/02/2022   10:06:56   (   0.11,-128.12) (  -0.66,-124.56)  405.82                80
 05/03/2022   22:26:45   (  -0.10,-128.10) (  -0.49,-129.99)  214.20                80
 05/04/2022   22:11:01   (  -0.11,-128.08) (   0.48,-125.53)  291.13                80
 05/06/2022   10:30:40   (   0.09,-128.02) (   0.71,-130.91)  328.50                80
 05/07/2022   10:14:56   (   0.10,-127.99) (  -0.26,-126.45)  176.28                80
 05/08/2022   22:34:43   (  -0.09,-127.96) (  -0.99,-131.86)  445.10                80
 05/09/2022   22:18:59   (  -0.10,-127.93) (   0.04,-127.41)   59.90                80