Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 10 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)
 10/15/2020   10:08:10   (  -0.14,-128.39) (  -0.05,-128.70)   35.02                80
 10/16/2020   09:49:14   (  -0.14,-128.39) (  -1.08,-124.11)  486.34                80
 10/17/2020   22:10:52   (   0.13,-128.36) (  -0.11,-129.34)  112.10                80
 10/18/2020   21:49:16   (   0.14,-128.34) (   0.92,-124.76)  408.54                80
 10/20/2020   10:13:25   (  -0.13,-128.33) (   0.21,-129.95)  183.75                80
 10/21/2020   09:51:48   (  -0.14,-128.32) (  -0.82,-125.37)  336.68                80
 10/22/2020   22:16:07   (   0.13,-128.28) (  -0.36,-130.59)  262.47                80
 10/23/2020   21:54:30   (   0.14,-128.26) (   0.67,-126.01)  257.51                80
 10/25/2020   10:18:39   (  -0.13,-128.24) (   0.53,-131.19)  335.74                80
 10/26/2020   09:57:02   (  -0.14,-128.23) (  -0.50,-126.61)  184.43                80
 10/27/2020   22:21:20   (   0.12,-128.19) (  -0.66,-131.83)  414.34                80