Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/26/2022   22:25:49   (  -0.10,-128.31) (  -0.52,-130.08)  202.55                80
 03/27/2022   22:10:07   (  -0.10,-128.33) (   0.53,-125.64)  307.28                80
 03/29/2022   10:32:26   (   0.11,-128.35) (   0.70,-131.02)  304.33                80
 03/30/2022   10:11:23   (   0.11,-128.37) (  -0.29,-126.56)  205.33                80
 03/31/2022   22:33:52   (  -0.11,-128.41) (  -0.93,-131.98)  407.88                80
 04/01/2022   22:18:09   (  -0.11,-128.43) (   0.06,-127.53)  101.90                80
 04/04/2022   10:22:06   (   0.11,-128.47) (   0.10,-128.47)    1.00                80
 04/06/2022   22:23:31   (  -0.11,-128.51) (  -0.32,-129.44)  105.87                80
 04/07/2022   22:07:48   (  -0.12,-128.53) (   0.68,-124.99)  403.10                80