Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/07/2023   09:16:05   (  -0.00,-104.75) (   0.71,-107.93)  363.08                80
 04/08/2023   08:55:03   (  -0.00,-104.74) (  -0.31,-103.48)  144.16                80
 04/09/2023   21:17:32   (  -0.00,-104.74) (  -0.96,-108.89)  473.97                80
 04/10/2023   21:01:50   (   0.00,-104.73) (   0.06,-104.44)   33.16                80
 04/13/2023   09:05:48   (  -0.00,-104.72) (   0.15,-105.37)   73.97                80
 04/14/2023   08:44:45   (   0.00,-104.71) (  -0.88,-100.92)  432.86                80
 04/15/2023   21:07:14   (  -0.00,-104.70) (  -0.37,-106.33)  185.64                80
 04/16/2023   20:51:32   (  -0.00,-104.70) (   0.66,-101.88)  321.75                80
 04/18/2023   09:13:52   (   0.00,-104.70) (   0.56,-107.26)  291.12                80
 04/19/2023   08:52:49   (  -0.00,-104.70) (  -0.42,-102.80)  216.19                80
 04/20/2023   21:15:18   (   0.00,-104.68) (  -0.82,-108.21)  402.37                80