Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/24/2022   10:24:24   (   0.09,-128.24) (   0.29,-129.11)   99.46                80
 03/25/2022   10:03:20   (   0.09,-128.26) (  -0.70,-124.66)  410.28                80
 03/26/2022   22:25:49   (  -0.10,-128.30) (  -0.53,-130.08)  203.05                80
 03/27/2022   22:10:07   (  -0.10,-128.32) (   0.52,-125.64)  306.75                80
 03/29/2022   10:32:26   (   0.11,-128.35) (   0.72,-131.01)  304.44                80
 03/30/2022   10:11:23   (   0.11,-128.37) (  -0.27,-126.56)  205.19                80
 03/31/2022   22:33:53   (  -0.11,-128.41) (  -0.90,-132.00)  408.59                80
 04/01/2022   22:18:10   (  -0.11,-128.43) (   0.09,-127.54)  101.09                80
 04/04/2022   10:22:06   (   0.11,-128.47) (   0.09,-128.48)    2.96                80