Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2022   11:13:51   (   0.04,-137.34) (   0.64,-140.10)  314.83                80
 10/20/2022   10:58:04   (   0.04,-137.33) (  -0.33,-135.63)  193.80                80
 10/21/2022   23:17:48   (  -0.03,-137.33) (  -0.87,-141.03)  422.18                80
 10/22/2022   23:02:02   (  -0.03,-137.33) (   0.11,-136.56)   86.35                80
 10/25/2022   11:03:13   (   0.03,-137.31) (   0.09,-137.47)   18.80                80
 10/26/2022   10:47:27   (   0.04,-137.30) (  -0.96,-133.01)  489.07                80
 10/27/2022   23:07:11   (  -0.03,-137.27) (  -0.29,-138.40)  128.68                80
 10/28/2022   22:51:24   (  -0.03,-137.26) (   0.70,-133.93)  378.42                80
 10/30/2022   11:11:01   (   0.03,-137.23) (   0.52,-139.30)  236.84                80
 10/31/2022   10:55:15   (   0.03,-137.20) (  -0.53,-134.84)  269.72                80
 11/01/2022   23:14:58   (  -0.02,-137.17) (  -0.71,-140.23)  349.63                80