Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2024 1 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/15/2024   09:02:51   (   0.01,-104.68) (  -0.77,-101.18)  399.32                80
 01/16/2024   21:25:13   (  -0.00,-104.66) (  -0.42,-106.56)  216.63                80
 01/17/2024   21:09:24   (  -0.00,-104.66) (   0.56,-102.08)  294.20                80
 01/19/2024   09:31:37   (   0.01,-104.70) (   0.64,-107.41)  310.20                80
 01/20/2024   09:10:29   (   0.01,-104.70) (  -0.41,-102.94)  200.57                80
 01/21/2024   21:32:51   (  -0.01,-104.67) (  -0.82,-108.32)  415.58                80
 01/22/2024   21:17:02   (  -0.01,-104.67) (   0.18,-103.84)   95.18                80
 01/25/2024   09:18:06   (   0.01,-104.71) (   0.01,-104.69)    1.60                80
 01/27/2024   21:21:59   (  -0.01,-104.68) (  -0.20,-105.59)  102.90                80
 01/28/2024   21:06:10   (  -0.01,-104.69) (   0.82,-101.11)  408.41                80