Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 11 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/23/2022   10:31:08   (   0.04,-128.19) (   0.23,-129.10)  104.18                80
 11/24/2022   10:15:28   (   0.05,-128.16) (  -0.73,-124.66)  398.95                80
 11/25/2022   22:35:23   (  -0.03,-128.04) (  -0.51,-130.10)  234.70                80
 11/26/2022   22:19:45   (  -0.04,-128.01) (   0.51,-125.67)  267.98                80
 11/28/2022   10:39:32   (   0.02,-128.04) (   0.68,-131.08)  346.05                80
 11/29/2022   10:23:53   (   0.03,-128.01) (  -0.29,-126.64)  156.36                80
 11/30/2022   22:43:48   (  -0.00,-127.89) (  -0.96,-132.08)  478.06                80
 12/01/2022   22:28:09   (  -0.01,-127.85) (   0.01,-127.64)   24.59                80
 12/04/2022   10:29:36   (   0.01,-127.85) (   0.20,-128.61)   86.88                80