Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 3 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/28/2020   10:16:19   (  -0.27,-127.99) (   0.44,-131.26)  373.02                80
 03/29/2020   09:54:42   (  -0.28,-127.95) (  -0.55,-126.68)  144.82                80
 03/30/2020   22:19:01   (   0.26,-127.92) (  -0.65,-131.90)  453.95                80
 03/31/2020   21:57:25   (   0.27,-127.89) (   0.40,-127.33)   63.82                80
 04/03/2020   10:02:40   (  -0.25,-127.77) (  -0.23,-127.94)   19.77                80
 04/04/2020   09:41:04   (  -0.26,-127.73) (  -1.22,-123.36)  497.22                80
 04/05/2020   22:05:22   (   0.24,-127.68) (   0.03,-128.58)  102.89                80
 04/06/2020   21:43:46   (   0.25,-127.64) (   1.08,-124.01)  414.15                80
 04/08/2020   10:07:57   (  -0.23,-127.56) (   0.14,-129.20)  186.98                80
 04/09/2020   09:46:21   (  -0.24,-127.51) (  -0.90,-124.62)  329.33                80