Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 3 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/18/2020   10:05:43   (  -0.31,-128.24) (  -0.17,-128.73)   56.54                80
 03/19/2020   09:44:08   (  -0.32,-128.22) (  -1.22,-124.16)  462.77                80
 03/20/2020   22:05:47   (   0.30,-128.22) (   0.06,-129.39)  132.93                80
 03/21/2020   21:49:31   (   0.30,-128.20) (   1.05,-124.81)  386.59                80
 03/23/2020   10:11:01   (  -0.29,-128.14) (   0.14,-130.00)  212.25                80
 03/24/2020   09:49:26   (  -0.30,-128.11) (  -0.90,-125.42)  306.66                80
 03/25/2020   22:13:44   (   0.28,-128.11) (  -0.30,-130.65)  289.93                80
 03/26/2020   21:54:48   (   0.29,-128.08) (   0.75,-126.07)  229.09                80
 03/28/2020   10:16:19   (  -0.27,-128.02) (   0.46,-131.26)  370.08                80
 03/29/2020   09:54:43   (  -0.28,-127.99) (  -0.59,-126.69)  148.07                80