Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/27/2023   09:02:19   (   0.01,-104.72) (  -0.30,-103.27)  163.99                80
 08/28/2023   21:24:47   (  -0.02,-104.67) (  -0.94,-108.68)  457.09                80
 08/29/2023   21:09:03   (  -0.02,-104.67) (   0.09,-104.22)   51.08                80
 09/01/2023   09:12:58   (   0.02,-104.71) (   0.12,-105.13)   48.31                80
 09/02/2023   08:51:55   (   0.02,-104.71) (  -0.91,-100.68)  459.89                80
 09/03/2023   21:14:23   (  -0.02,-104.67) (  -0.31,-106.09)  160.72                80
 09/04/2023   20:58:39   (  -0.02,-104.67) (   0.66,-101.62)  347.77                80
 09/06/2023   09:20:58   (   0.02,-104.72) (   0.51,-107.00)  259.47                80
 09/07/2023   08:59:53   (   0.02,-104.72) (  -0.47,-102.53)  248.74                80
 09/08/2023   21:22:22   (  -0.02,-104.67) (  -0.74,-107.94)  372.26                80
 09/09/2023   21:06:37   (  -0.03,-104.67) (   0.24,-103.48)  136.25                80