Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 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)
 02/19/2022   23:09:59   (   0.04,-137.18) (  -0.91,-141.34)  474.33                80
 02/20/2022   22:54:16   (   0.04,-137.16) (   0.11,-136.89)   31.07                80
 02/23/2022   10:58:14   (  -0.04,-137.12) (   0.13,-137.83)   81.61                80
 02/24/2022   10:37:12   (  -0.04,-137.09) (  -0.90,-133.39)  422.92                80
 02/25/2022   22:59:40   (   0.03,-137.04) (  -0.36,-138.80)  199.80                80
 02/26/2022   22:43:56   (   0.02,-137.02) (   0.61,-134.34)  304.41                80
 02/28/2022   11:06:18   (  -0.00,-136.97) (   0.59,-139.74)  314.26                80
 03/01/2022   10:45:14   (  -0.00,-136.94) (  -0.38,-135.28)  189.72                80
 03/02/2022   23:07:42   (  -0.00,-136.89) (  -0.87,-140.69)  433.72                80
 03/03/2022   22:52:00   (   0.00,-136.86) (   0.16,-136.25)   70.15                80