Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2023   08:55:02   (  -0.00,-104.74) (  -0.26,-103.47)  144.17                80
 04/09/2023   21:17:33   (  -0.00,-104.74) (  -0.94,-108.89)  473.74                80
 04/10/2023   21:01:50   (   0.00,-104.74) (   0.07,-104.44)   33.45                80
 04/13/2023   09:05:48   (  -0.00,-104.72) (   0.14,-105.37)   73.69                80
 04/14/2023   08:44:46   (   0.00,-104.71) (  -0.89,-100.92)  433.20                80
 04/15/2023   21:07:15   (  -0.00,-104.71) (  -0.37,-106.33)  185.09                80
 04/16/2023   20:51:32   (  -0.00,-104.70) (   0.66,-101.88)  322.35                80
 04/18/2023   09:13:53   (   0.00,-104.70) (   0.55,-107.26)  290.60                80
 04/19/2023   08:52:49   (  -0.00,-104.70) (  -0.42,-102.80)  216.75                80
 04/20/2023   21:15:18   (   0.01,-104.69) (  -0.82,-108.21)  401.65                80
 04/21/2023   20:59:36   (   0.01,-104.69) (   0.22,-103.76)  105.83                80