Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 3 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)
 03/02/2020   10:08:46   (  -0.36,-128.44) (  -0.11,-129.51)  122.43                80
 03/03/2020   09:47:10   (  -0.35,-128.43) (  -1.14,-124.94)  398.63                80
 03/04/2020   22:08:50   (   0.35,-128.44) (  -0.04,-130.17)  196.92                80
 03/05/2020   21:52:34   (   0.35,-128.43) (   1.00,-125.59)  323.90                80
 03/07/2020   10:14:05   (  -0.34,-128.40) (   0.17,-130.79)  271.83                80
 03/08/2020   09:52:28   (  -0.34,-128.38) (  -0.80,-126.20)  248.44                80
 03/09/2020   22:14:07   (   0.33,-128.38) (  -0.37,-131.43)  348.25                80
 03/10/2020   21:57:52   (   0.34,-128.37) (   0.67,-126.86)  172.04                80
 03/12/2020   10:19:22   (  -0.33,-128.33) (   0.51,-132.05)  423.96                80
 03/13/2020   09:57:47   (  -0.33,-128.32) (  -0.53,-127.48)   95.74                80
 03/15/2020   22:03:10   (   0.33,-128.28) (   0.35,-128.12)   17.78                80