Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/30/2022   22:40:20   (   0.04,-137.22) (   0.84,-133.68)  403.01                80
 02/01/2022   11:00:01   (  -0.04,-137.21) (   0.40,-139.07)  213.01                80
 02/02/2022   10:43:17   (  -0.04,-137.20) (  -0.62,-134.63)  293.67                18
 02/03/2022   23:04:08   (   0.04,-137.20) (  -0.58,-140.05)  324.48                80
 02/04/2022   22:48:25   (   0.04,-137.20) (   0.38,-135.60)  182.21                80
 02/06/2022   11:10:47   (  -0.04,-137.19) (   0.80,-141.00)  433.94                80
 02/07/2022   10:49:44   (  -0.04,-137.18) (  -0.17,-136.54)   72.42                80
 02/09/2022   22:53:49   (   0.03,-137.16) (  -0.06,-137.51)   40.55                80
 02/10/2022   22:38:07   (   0.03,-137.14) (   0.97,-133.07)  465.28                80
 02/12/2022   11:00:28   (  -0.01,-137.12) (   0.27,-138.46)  152.04                80