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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2019   10:07:44   (   0.09,-128.54) (   0.44,-129.96)  162.33                80
 11/13/2019   09:51:29   (   0.11,-128.54) (  -0.58,-125.38)  359.32                80
 11/14/2019   22:10:29   (  -0.08,-128.49) (  -0.56,-130.63)  243.57                80
 11/15/2019   21:54:14   (  -0.10,-128.49) (   0.46,-126.05)  277.62                80
 11/17/2019   10:13:06   (   0.07,-128.52) (   0.66,-131.27)  312.09                80
 11/18/2019   09:56:50   (   0.08,-128.51) (  -0.35,-126.69)  208.56                80
 11/19/2019   22:15:50   (  -0.05,-128.45) (  -0.83,-131.92)  395.74                80
 11/20/2019   21:59:34   (  -0.06,-128.44) (   0.19,-127.35)  124.78                80
 11/22/2019   10:18:27   (   0.04,-128.47) (   0.94,-132.56)  465.48                80
 11/23/2019   10:02:11   (   0.05,-128.46) (  -0.08,-127.99)   54.91                80