Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 4 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/03/2020   10:02:40   (  -0.25,-127.78) (  -0.22,-127.94)   18.33                80
 04/04/2020   09:41:04   (  -0.26,-127.74) (  -1.27,-123.37)  498.78                80
 04/05/2020   22:05:21   (   0.24,-127.70) (   0.02,-128.58)  101.00                80
 04/06/2020   21:43:46   (   0.25,-127.66) (   1.07,-124.01)  416.32                80
 04/08/2020   10:07:56   (  -0.23,-127.58) (   0.13,-129.19)  184.34                80
 04/09/2020   09:46:21   (  -0.24,-127.53) (  -0.91,-124.62)  332.21                80
 04/10/2020   22:10:38   (   0.22,-127.48) (  -0.33,-129.83)  268.98                80
 04/11/2020   21:49:03   (   0.23,-127.43) (   0.72,-125.26)  247.72                80
 04/13/2020   10:13:13   (  -0.20,-127.35) (   0.49,-130.45)  353.23                80
 04/14/2020   09:51:37   (  -0.22,-127.30) (  -0.56,-125.88)  162.77                80
 04/15/2020   22:15:55   (   0.19,-127.23) (  -0.67,-131.09)  439.69                80