Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2019 11 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/14/2019   22:10:29   (  -0.08,-128.50) (  -0.56,-130.63)  242.81                80
 11/15/2019   21:54:14   (  -0.10,-128.49) (   0.46,-126.05)  278.52                80
 11/17/2019   10:13:06   (   0.07,-128.53) (   0.66,-131.27)  311.54                80
 11/18/2019   09:56:51   (   0.08,-128.52) (  -0.36,-126.69)  209.22                80
 11/19/2019   22:15:50   (  -0.05,-128.46) (  -0.83,-131.92)  394.40                80
 11/20/2019   21:59:34   (  -0.06,-128.45) (   0.19,-127.35)  126.26                80
 11/22/2019   10:18:27   (   0.04,-128.48) (   0.93,-132.56)  464.30                80
 11/23/2019   10:02:11   (   0.05,-128.47) (  -0.09,-127.98)   56.20                80
 11/25/2019   22:02:14   (  -0.05,-128.39) (  -0.12,-128.63)   27.86                80
 11/26/2019   21:45:59   (  -0.06,-128.38) (   0.90,-124.06)  492.38                80