Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2019 11 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/03/2019   22:18:43   (  -0.12,-128.44) (  -1.03,-132.61)  475.48                80
 11/04/2019   22:02:27   (  -0.13,-128.45) (  -0.02,-128.04)   47.16                80
 11/07/2019   10:02:23   (   0.12,-128.52) (   0.18,-128.66)   17.22                80
 11/09/2019   22:05:08   (  -0.11,-128.48) (  -0.31,-129.33)   96.95                80
 11/10/2019   21:48:53   (  -0.12,-128.49) (   0.71,-124.76)  425.23                80
 11/12/2019   10:07:45   (   0.10,-128.55) (   0.42,-129.97)  162.24                80
 11/13/2019   09:51:30   (   0.11,-128.55) (  -0.59,-125.39)  359.41                80
 11/14/2019   22:10:30   (  -0.09,-128.49) (  -0.54,-130.64)  244.19                80
 11/15/2019   21:54:13   (  -0.10,-128.49) (   0.42,-126.05)  277.00                80