Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 12 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)
 12/26/2023   21:15:42   (  -0.00,-104.66) (   0.15,-103.97)   79.06                80
 12/29/2023   09:19:28   (   0.02,-104.70) (   0.03,-104.84)   15.60                80
 12/30/2023   08:58:20   (   0.02,-104.70) (  -0.98,-100.36)  494.72                80
 12/31/2023   21:20:42   (  -0.02,-104.66) (  -0.25,-105.74)  122.42                80
 01/01/2024   21:04:55   (  -0.02,-104.67) (   0.77,-101.27)  388.20                80
 01/03/2024   09:27:07   (   0.03,-104.71) (   0.47,-106.60)  215.76                80
 01/04/2024   09:06:00   (   0.02,-104.71) (  -0.55,-102.13)  294.73                80
 01/05/2024   21:28:22   (  -0.03,-104.67) (  -0.66,-107.50)  322.52                80
 01/06/2024   21:12:35   (  -0.03,-104.68) (   0.36,-103.03)  188.02                80
 01/08/2024   09:34:47   (   0.04,-104.72) (   0.86,-108.37)  416.02                80