Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2019 11 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/07/2019   10:02:24   (   0.12,-128.52) (   0.15,-128.67)   17.03                80
 11/09/2019   22:05:08   (  -0.11,-128.48) (  -0.29,-129.33)   96.98                80
 11/10/2019   21:48:53   (  -0.12,-128.49) (   0.73,-124.76)  425.14                80
 11/12/2019   10:07:45   (   0.09,-128.54) (   0.39,-129.97)  162.60                80
 11/13/2019   09:51:30   (   0.11,-128.54) (  -0.62,-125.40)  359.00                80
 11/14/2019   22:10:29   (  -0.08,-128.48) (  -0.57,-130.63)  244.59                80
 11/15/2019   21:54:14   (  -0.10,-128.48) (   0.44,-126.05)  276.51                80
 11/17/2019   10:13:06   (   0.07,-128.52) (   0.68,-131.27)  312.76                80
 11/18/2019   09:56:50   (   0.08,-128.51) (  -0.33,-126.69)  207.80                80
 11/19/2019   22:15:50   (  -0.06,-128.44) (  -0.85,-131.92)  397.09                80