Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 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)
 11/15/2020   10:20:33   (  -0.06,-127.56) (   0.84,-131.52)  452.13                80
 11/16/2020   09:58:57   (  -0.08,-127.52) (  -0.20,-126.94)   65.35                80
 11/18/2020   22:04:18   (   0.06,-127.42) (   0.04,-127.58)   17.56                80
 11/19/2020   21:42:41   (   0.08,-127.38) (   1.08,-123.00)  499.34                80
 11/21/2020   10:06:50   (  -0.05,-127.29) (   0.14,-128.17)  100.95                80
 11/22/2020   09:45:13   (  -0.07,-127.24) (  -0.90,-123.59)  416.03                80
 11/23/2020   22:09:29   (   0.04,-127.19) (  -0.34,-128.80)  183.87                80
 11/24/2020   21:47:53   (   0.06,-127.14) (   0.70,-124.22)  332.92                80
 11/26/2020   10:12:02   (  -0.03,-127.05) (   0.47,-129.40)  267.90                80
 11/27/2020   09:50:26   (  -0.05,-127.00) (  -0.56,-124.82)  248.86                80