Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/26/2022   10:14:40   (   0.12,-128.24) (  -0.10,-127.12)  126.17                80
 04/27/2022   22:37:09   (  -0.11,-128.23) (  -1.08,-132.55)  492.44                80
 04/28/2022   22:21:26   (  -0.12,-128.21) (  -0.06,-128.10)   14.01                80
 05/01/2022   10:22:41   (   0.11,-128.15) (   0.29,-129.02)   99.40                80
 05/02/2022   10:06:56   (   0.11,-128.12) (  -0.68,-124.56)  405.95                80
 05/03/2022   22:26:45   (  -0.10,-128.11) (  -0.54,-129.98)  214.02                80
 05/04/2022   22:11:01   (  -0.11,-128.08) (   0.49,-125.53)  291.34                80
 05/06/2022   10:30:39   (   0.09,-128.03) (   0.76,-130.90)  328.26                80
 05/07/2022   10:14:56   (   0.10,-128.00) (  -0.26,-126.45)  176.54                80
 05/08/2022   22:34:43   (  -0.09,-127.96) (  -0.99,-131.86)  444.82                80
 05/09/2022   22:19:00   (  -0.10,-127.94) (   0.05,-127.41)   60.21                80