Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/13/2022   10:16:57   (   0.09,-128.36) (  -0.66,-125.14)  367.71                80
 11/14/2022   22:36:52   (  -0.06,-128.26) (  -0.59,-130.58)  264.36                80
 11/15/2022   22:21:14   (  -0.07,-128.24) (   0.43,-126.15)  239.64                80
 11/17/2022   10:41:01   (   0.04,-128.29) (   0.79,-131.55)  372.26                80
 11/18/2022   10:25:23   (   0.05,-128.27) (  -0.22,-127.12)  131.46                80
 11/20/2022   22:26:58   (  -0.04,-128.14) (  -0.05,-128.12)    2.69                80
 11/23/2022   10:31:07   (   0.04,-128.16) (   0.23,-129.10)  107.07                80
 11/24/2022   10:15:28   (   0.05,-128.13) (  -0.73,-124.66)  395.69                80
 11/25/2022   22:35:23   (  -0.03,-128.00) (  -0.50,-130.10)  239.22                80
 11/26/2022   22:19:44   (  -0.04,-127.97) (   0.47,-125.66)  263.09                80