Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/16/2022   10:53:08   (   0.07,-137.31) (  -0.28,-135.72)  181.95                80
 08/17/2022   23:15:35   (  -0.07,-137.31) (  -0.91,-141.13)  435.76                80
 08/18/2022   22:59:50   (  -0.07,-137.30) (   0.07,-136.67)   72.00                80
 08/21/2022   11:03:41   (   0.06,-137.28) (   0.14,-137.58)   33.83                80
 08/22/2022   10:42:37   (   0.06,-137.27) (  -0.90,-133.13)  473.23                80
 08/23/2022   23:05:03   (  -0.05,-137.25) (  -0.35,-138.53)  146.14                80
 08/24/2022   22:49:19   (  -0.05,-137.24) (   0.69,-134.08)  360.66                80
 08/26/2022   11:08:55   (   0.04,-137.22) (   0.55,-139.44)  253.76                80
 08/27/2022   10:53:11   (   0.03,-137.20) (  -0.49,-134.99)  252.78                80
 08/28/2022   23:12:57   (  -0.03,-137.17) (  -0.74,-140.40)  367.37                80
 08/29/2022   22:57:11   (  -0.03,-137.15) (   0.24,-135.93)  139.03                80