Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 11 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2020   09:58:57   (  -0.08,-127.52) (  -0.22,-126.95)   65.36                80
 11/18/2020   22:04:17   (   0.06,-127.42) (   0.00,-127.57)   17.82                80
 11/19/2020   21:42:41   (   0.08,-127.37) (   1.04,-122.99)  499.21                80
 11/21/2020   10:06:50   (  -0.05,-127.29) (   0.12,-128.18)  101.11                80
 11/22/2020   09:45:13   (  -0.07,-127.24) (  -0.92,-123.60)  415.91                80
 11/23/2020   22:09:30   (   0.04,-127.19) (  -0.32,-128.80)  184.05                80
 11/24/2020   21:47:53   (   0.06,-127.14) (   0.72,-124.22)  332.69                80
 11/26/2020   10:12:02   (  -0.03,-127.05) (   0.51,-129.40)  268.12                80
 11/27/2020   09:50:25   (  -0.05,-127.00) (  -0.53,-124.82)  248.59                80
 11/28/2020   22:14:41   (   0.01,-126.94) (  -0.70,-130.02)  351.57                80