Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 12 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)
 12/29/2023   09:19:27   (  -0.01,-104.69) (   0.05,-104.83)   16.92                80
 12/30/2023   08:58:20   (  -0.01,-104.69) (  -0.96,-100.36)  493.26                80
 12/31/2023   21:20:43   (   0.01,-104.65) (  -0.21,-105.75)  124.24                80
 01/01/2024   21:04:56   (   0.01,-104.65) (   0.81,-101.27)  386.18                80
 01/03/2024   09:27:08   (  -0.01,-104.69) (   0.43,-106.61)  218.27                80
 01/04/2024   09:06:00   (  -0.01,-104.69) (  -0.59,-102.13)  291.96                80
 01/05/2024   21:28:23   (   0.01,-104.65) (  -0.63,-107.51)  325.71                80
 01/06/2024   21:12:35   (   0.02,-104.65) (   0.40,-103.04)  184.52                80
 01/08/2024   09:34:47   (  -0.02,-104.69) (   0.83,-108.37)  420.16                80
 01/09/2024   09:13:40   (  -0.03,-104.69) (  -0.20,-103.90)   89.58                80