Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 12 4.  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) (   0.19,-128.60)   81.61                80
 12/05/2022   10:13:58   (   0.02,-127.86) (  -0.84,-124.18)  420.98                80
 12/06/2022   22:33:54   (  -0.01,-127.74) (  -0.41,-129.61)  213.00                80
 12/07/2022   22:18:14   (  -0.02,-127.71) (   0.56,-125.17)  289.28                80
 12/09/2022   10:38:01   (   0.00,-127.72) (   0.66,-130.57)  325.42                80
 12/10/2022   10:22:22   (   0.01,-127.69) (  -0.37,-126.14)  176.49                80
 12/11/2022   22:42:17   (   0.01,-127.56) (  -0.88,-131.58)  458.57                80
 12/12/2022   22:26:38   (  -0.00,-127.52) (   0.09,-127.14)   43.14                80
 12/15/2022   10:28:05   (  -0.01,-127.49) (   0.14,-128.10)   70.46                80
 12/16/2022   10:12:25   (  -0.00,-127.45) (  -0.83,-123.66)  431.02                80
 12/17/2022   22:32:21   (   0.02,-127.31) (  -0.41,-129.10)  204.64                80