Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2023   09:30:14   (   0.02,-104.70) (   0.66,-107.53)  322.88                80
 12/24/2023   09:09:06   (   0.02,-104.70) (  -0.34,-103.06)  187.12                80
 12/25/2023   21:31:29   (  -0.02,-104.66) (  -0.85,-108.45)  430.44                80
 12/26/2023   21:15:42   (  -0.02,-104.67) (   0.16,-103.97)   79.84                80
 12/29/2023   09:19:28   (   0.02,-104.70) (   0.02,-104.84)   15.07                80
 12/30/2023   08:58:20   (   0.01,-104.71) (  -0.99,-100.37)  495.30                80
 12/31/2023   21:20:43   (  -0.01,-104.67) (  -0.24,-105.74)  121.83                80
 01/01/2024   21:04:55   (  -0.00,-104.68) (   0.78,-101.27)  388.75                80
 01/03/2024   09:27:08   (   0.00,-104.72) (   0.40,-106.61)  215.07                80
 01/04/2024   09:06:00   (  -0.00,-104.73) (  -0.56,-102.13)  295.49                80
 01/05/2024   21:28:22   (  -0.00,-104.69) (  -0.65,-107.51)  321.55                80