Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/31/2022   22:33:52   (  -0.11,-128.38) (  -0.93,-131.98)  410.81                80
 04/01/2022   22:18:09   (  -0.11,-128.39) (   0.07,-127.53)   97.73                80
 04/04/2022   10:22:05   (   0.11,-128.40) (   0.15,-128.46)    8.57                80
 04/05/2022   10:01:02   (   0.11,-128.40) (  -0.90,-124.02)  499.92                80
 04/06/2022   22:23:31   (  -0.11,-128.42) (  -0.32,-129.44)  116.19                80
 04/07/2022   22:07:48   (  -0.12,-128.42) (   0.68,-124.99)  391.64                80
 04/09/2022   10:30:06   (   0.12,-128.41) (   0.59,-130.36)  223.24                80
 04/10/2022   10:09:03   (   0.12,-128.41) (  -0.41,-125.91)  284.14                80
 04/11/2022   22:31:32   (  -0.12,-128.41) (  -0.80,-131.33)  333.21                80
 04/12/2022   22:15:49   (  -0.13,-128.41) (   0.21,-126.88)  174.16                80