Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 12 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2022   22:33:54   (  -0.01,-127.74) (  -0.41,-129.61)  212.91                80
 12/07/2022   22:18:14   (  -0.02,-127.71) (   0.56,-125.17)  289.32                80
 12/09/2022   10:38:00   (   0.00,-127.72) (   0.66,-130.57)  325.63                80
 12/10/2022   10:22:21   (   0.01,-127.68) (  -0.32,-126.13)  176.19                80
 12/11/2022   22:42:16   (   0.01,-127.55) (  -0.93,-131.57)  458.85                80
 12/12/2022   22:26:38   (  -0.00,-127.51) (   0.11,-127.14)   42.88                80
 12/15/2022   10:28:05   (  -0.01,-127.48) (   0.12,-128.11)   71.03                80
 12/16/2022   10:12:25   (  -0.00,-127.44) (  -0.86,-123.67)  430.37                80
 12/17/2022   22:32:20   (   0.01,-127.30) (  -0.38,-129.10)  205.27                80
 12/18/2022   22:16:41   (   0.01,-127.26) (   0.60,-124.66)  295.89                80