Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 12 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2022   10:29:37   (   0.01,-127.89) (   0.16,-128.61)   81.55                80
 12/05/2022   10:13:58   (   0.02,-127.86) (  -0.81,-124.17)  421.06                80
 12/06/2022   22:33:53   (  -0.00,-127.74) (  -0.45,-129.60)  212.96                80
 12/07/2022   22:18:15   (  -0.01,-127.71) (   0.58,-125.18)  289.37                80
 12/09/2022   10:38:01   (   0.00,-127.73) (   0.64,-130.58)  325.20                80
 12/10/2022   10:22:22   (   0.01,-127.69) (  -0.33,-126.14)  176.73                80
 12/11/2022   22:42:17   (   0.01,-127.56) (  -0.92,-131.57)  458.33                80
 12/12/2022   22:26:38   (  -0.00,-127.52) (   0.11,-127.15)   43.51                80
 12/15/2022   10:28:05   (  -0.01,-127.49) (   0.13,-128.11)   70.03                80
 12/16/2022   10:12:26   (  -0.00,-127.45) (  -0.85,-123.67)  431.47                80