Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 12 27.  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,-104.70) (   0.04,-104.84)   15.40                80
 12/30/2023   08:58:20   (   0.02,-104.70) (  -0.97,-100.36)  494.88                80
 12/31/2023   21:20:42   (  -0.02,-104.66) (  -0.26,-105.74)  122.24                80
 01/01/2024   21:04:55   (   0.01,-104.67) (   0.76,-101.26)  387.70                80
 01/03/2024   09:27:08   (  -0.02,-104.71) (   0.42,-106.61)  216.47                80
 01/04/2024   09:06:01   (  -0.02,-104.72) (  -0.60,-102.14)  294.02                80
 01/05/2024   21:28:23   (  -0.00,-104.68) (  -0.62,-107.51)  322.75                80
 01/06/2024   21:12:34   (  -0.01,-104.68) (   0.35,-103.03)  187.99                80
 01/08/2024   09:34:48   (   0.01,-104.72) (   0.82,-108.38)  416.10                80
 01/09/2024   09:13:39   (   0.01,-104.72) (  -0.15,-103.89)   94.03                80