Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 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)
 04/06/2022   22:23:31   (  -0.11,-128.41) (  -0.33,-129.44)  116.40                80
 04/07/2022   22:07:48   (  -0.12,-128.42) (   0.67,-124.99)  391.28                80
 04/09/2022   10:30:07   (   0.12,-128.40) (   0.54,-130.37)  223.60                80
 04/10/2022   10:09:02   (   0.12,-128.40) (  -0.41,-125.90)  283.68                80
 04/11/2022   22:31:32   (  -0.12,-128.40) (  -0.80,-131.33)  333.98                80
 04/12/2022   22:15:48   (  -0.13,-128.40) (   0.21,-126.88)  173.29                80
 04/14/2022   10:38:07   (   0.12,-128.38) (   0.99,-132.26)  441.84                80
 04/15/2022   10:17:04   (   0.13,-128.38) (  -0.02,-127.81)   64.99                80
 04/17/2022   22:21:09   (  -0.12,-128.36) (  -0.23,-128.77)   47.34                80
 04/18/2022   22:05:25   (  -0.12,-128.35) (   0.79,-124.32)  459.03                80