Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 9 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2023   06:03:05   (  -0.38, 126.28) (  -1.25, 122.54)  427.14                80
 09/04/2023   05:42:06   (  -0.39, 125.25) (   0.02, 126.94)  193.53                80
 09/05/2023   18:07:10   (   0.38, 123.69) (   0.85, 121.50)  249.74                80
 09/06/2023   17:46:09   (   0.39, 122.66) (  -0.35, 125.91)  370.42                80
 09/08/2023   06:11:24   (  -0.37, 121.04) (  -0.51, 120.42)   70.24                80
 09/10/2023   18:12:48   (   0.36, 118.43) (   0.16, 119.39)  109.66                80
 09/12/2023   06:38:02   (  -0.34, 116.80) (  -1.01, 113.90)  330.51                80
 09/13/2023   06:17:01   (  -0.35, 115.74) (   0.21, 118.31)  292.34                80
 09/14/2023   18:42:07   (   0.33, 114.14) (   0.60, 112.85)  146.36                80
 09/15/2023   18:21:06   (   0.35, 113.09) (  -0.62, 117.27)  476.32                80