Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2019 11 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)
 11/26/2019   21:45:59   (  -0.06,-128.41) (   0.92,-124.05)  496.74                80
 11/28/2019   10:04:51   (   0.04,-128.43) (   0.21,-129.27)   95.48                80
 11/29/2019   09:48:36   (   0.05,-128.41) (  -0.81,-124.69)  424.51                80
 11/30/2019   22:07:35   (  -0.02,-128.35) (  -0.36,-129.93)  179.13                80
 12/01/2019   21:51:19   (  -0.03,-128.33) (   0.61,-125.34)  340.74                80
 12/03/2019   10:10:11   (   0.01,-128.34) (   0.53,-130.55)  251.99                80
 12/04/2019   09:53:55   (   0.02,-128.33) (  -0.50,-125.97)  267.72                80
 12/05/2019   22:12:55   (   0.00,-128.26) (  -0.66,-131.21)  336.26                80
 12/06/2019   21:56:39   (  -0.01,-128.24) (   0.37,-126.64)  183.30                80
 12/08/2019   10:15:32   (  -0.01,-128.25) (   0.77,-131.85)  409.96                80
 12/09/2019   09:59:15   (   0.00,-128.22) (  -0.20,-127.26)  109.28                80