Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/26/2023   21:04:58   (  -0.00,-104.73) (  -0.22,-105.63)  102.74                80
 04/27/2023   20:49:15   (  -0.00,-104.73) (   0.78,-101.17)  405.42                80
 04/29/2023   09:11:34   (  -0.00,-104.74) (   0.42,-106.55)  206.02                80
 04/30/2023   08:50:31   (  -0.00,-104.74) (  -0.60,-102.09)  302.14                80
 05/01/2023   21:12:59   (   0.00,-104.74) (  -0.63,-107.50)  315.19                80
 05/02/2023   20:57:16   (  -0.00,-104.74) (   0.40,-103.05)  193.40                80
 05/04/2023   09:19:34   (  -0.00,-104.75) (   0.83,-108.41)  417.08                80
 05/05/2023   08:58:29   (  -0.00,-104.75) (  -0.16,-103.95)   91.19                80
 05/07/2023   21:02:33   (   0.01,-104.74) (  -0.03,-104.90)   18.72                80
 05/08/2023   20:46:49   (   0.02,-104.74) (   0.98,-100.44)  489.33                80