Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/24/2023   09:00:53   (  -0.00,-104.74) (  -0.03,-104.68)    7.16                80
 04/26/2023   21:04:59   (   0.00,-104.73) (  -0.21,-105.63)  103.04                80
 04/27/2023   20:49:15   (  -0.00,-104.73) (   0.78,-101.18)  405.03                80
 04/29/2023   09:11:36   (  -0.00,-104.74) (   0.39,-106.56)  206.64                80
 04/30/2023   08:50:32   (  -0.00,-104.74) (  -0.60,-102.10)  301.35                80
 05/01/2023   21:13:02   (   0.00,-104.74) (  -0.61,-107.52)  316.31                80
 05/02/2023   20:57:18   (   0.00,-104.74) (   0.39,-103.06)  192.08                80
 05/04/2023   09:19:37   (  -0.00,-104.76) (   0.83,-108.43)  418.80                80
 05/05/2023   08:58:34   (  -0.00,-104.76) (  -0.18,-103.98)   89.23                80