Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 11 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/20/2022   22:29:39   (  -0.04,-128.16) (  -0.01,-128.13)    5.53                80
 11/23/2022   10:31:07   (   0.04,-128.18) (   0.25,-129.10)  104.36                80
 11/24/2022   10:15:28   (   0.05,-128.16) (  -0.71,-124.65)  398.72                80
 11/25/2022   22:35:24   (  -0.03,-128.04) (  -0.47,-130.11)  235.10                80
 11/26/2022   22:19:45   (  -0.04,-128.01) (   0.49,-125.66)  267.53                80
 11/28/2022   10:39:32   (   0.02,-128.04) (   0.70,-131.08)  346.50                80
 11/29/2022   10:23:52   (   0.03,-128.00) (  -0.27,-126.63)  155.86                80
 11/30/2022   22:43:48   (  -0.00,-127.88) (  -0.97,-132.07)  478.72                80
 12/01/2022   22:28:09   (  -0.01,-127.85) (   0.06,-127.65)   23.89                80