Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 11 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2023   09:10:19   (   0.01,-104.68) (  -0.16,-103.98)   80.74                80
 11/18/2023   21:16:56   (  -0.01,-104.65) (  -0.08,-104.89)   27.98                80
 11/19/2023   20:58:30   (  -0.00,-104.64) (   0.98,-100.43)  481.42                80
 11/21/2023   09:20:45   (   0.00,-104.68) (   0.25,-105.78)  125.35                80
 11/22/2023   08:59:39   (  -0.00,-104.68) (  -0.76,-101.31)  384.13                80
 11/23/2023   21:24:42   (  -0.01,-104.64) (  -0.47,-106.69)  233.08                80
 11/24/2023   21:03:36   (  -0.01,-104.65) (   0.54,-102.22)  276.75                80
 11/26/2023   09:28:31   (   0.02,-104.68) (   0.68,-107.57)  329.23                80
 11/27/2023   09:07:25   (   0.02,-104.68) (  -0.34,-103.10)  180.34                80
 11/28/2023   21:32:28   (  -0.03,-104.64) (  -0.89,-108.48)  437.28                80
 11/29/2023   21:11:21   (  -0.03,-104.64) (   0.13,-104.01)   72.35                80