Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/27/2022   10:51:56   (  -0.04,-137.22) (  -0.03,-137.15)    7.09                80
 01/29/2022   22:56:03   (   0.03,-137.20) (  -0.16,-138.13)  106.09                80
 01/30/2022   22:40:19   (   0.03,-137.19) (   0.80,-133.68)  399.86                80
 02/01/2022   11:00:02   (  -0.03,-137.16) (   0.38,-139.08)  217.81                80
 02/02/2022   10:41:38   (  -0.03,-137.15) (  -0.58,-134.62)  287.94                80
 02/03/2022   23:04:08   (   0.03,-137.14) (  -0.62,-140.05)  331.36                80
 02/04/2022   22:48:24   (   0.03,-137.12) (   0.34,-135.59)  174.38                80
 02/06/2022   11:10:46   (  -0.02,-137.10) (   0.84,-140.99)  443.43                80
 02/07/2022   10:49:44   (  -0.02,-137.08) (  -0.18,-136.54)   62.03                80