Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/29/2022   22:56:03   (   0.03,-137.21) (  -0.14,-138.14)  105.38                80
 01/30/2022   22:40:20   (   0.03,-137.20) (   0.81,-133.68)  400.76                80
 02/01/2022   11:02:42   (  -0.03,-137.17) (   0.37,-139.08)  216.52                80
 02/02/2022   10:41:39   (  -0.03,-137.16) (  -0.59,-134.62)  289.40                80
 02/03/2022   23:04:08   (   0.03,-137.15) (  -0.61,-140.05)  329.82                80
 02/04/2022   22:48:24   (   0.03,-137.14) (   0.35,-135.59)  176.08                80
 02/06/2022   11:10:47   (  -0.02,-137.12) (   0.84,-140.99)  441.30                80
 02/07/2022   10:49:43   (  -0.02,-137.10) (  -0.12,-136.53)   64.30                80
 02/09/2022   22:53:49   (   0.01,-137.06) (  -0.11,-137.50)   50.67                80
 02/10/2022   22:38:07   (  -0.00,-137.04) (   0.91,-133.06)  454.73                80