Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2023   09:12:09   (   0.02,-104.73) (   0.61,-107.32)  295.75                80
 03/12/2023   08:51:08   (   0.02,-104.73) (  -0.40,-102.88)  211.60                80
 03/13/2023   21:13:38   (  -0.03,-104.74) (  -0.85,-108.29)  405.41                80
 03/14/2023   20:57:57   (  -0.03,-104.74) (   0.17,-103.85)  101.95                80
 03/17/2023   09:01:58   (   0.04,-104.74) (   0.06,-104.78)    5.49                80
 03/19/2023   21:03:26   (  -0.04,-104.74) (  -0.26,-105.76)  115.44                80
 03/20/2023   20:47:44   (  -0.04,-104.75) (   0.71,-101.30)  392.24                80
 03/22/2023   09:10:07   (   0.04,-104.75) (   0.46,-106.70)  221.13                80
 03/23/2023   08:49:05   (   0.04,-104.76) (  -0.53,-102.24)  286.51                80