Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 10 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/03/2023   09:23:55   (  -0.00,-104.72) (   0.60,-107.30)  294.78                80
 10/04/2023   09:02:50   (  -0.01,-104.72) (  -0.42,-102.84)  213.89                80
 10/05/2023   21:25:17   (   0.01,-104.69) (  -0.80,-108.24)  404.88                80
 10/06/2023   21:09:32   (   0.02,-104.70) (   0.23,-103.78)  104.08                80
 10/09/2023   09:10:45   (  -0.02,-104.73) (  -0.02,-104.68)    5.69                80
 10/11/2023   21:14:46   (   0.02,-104.71) (  -0.20,-105.62)  103.49                80
 10/12/2023   20:59:01   (   0.02,-104.72) (   0.84,-101.16)  406.04                80
 10/14/2023   09:21:19   (  -0.02,-104.76) (   0.40,-106.52)  200.86                80
 10/15/2023   09:00:14   (  -0.02,-104.76) (  -0.65,-102.06)  308.40                80