Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 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)
 01/15/2025   21:41:02   (  -0.04,-104.62) (   0.48,-102.45)  248.72                80
 01/17/2025   10:02:49   (   0.05,-104.71) (   0.69,-107.67)  337.58                80
 01/18/2025   09:41:25   (   0.05,-104.72) (  -0.33,-103.13)  181.86                80
 01/19/2025   22:03:21   (  -0.05,-104.65) (  -0.88,-108.38)  425.06                80
 01/20/2025   21:47:16   (  -0.05,-104.66) (   0.14,-103.84)   94.66                80
 01/22/2025   10:09:04   (   0.06,-104.76) (   1.02,-109.07)  491.06                80
 01/23/2025   09:47:39   (   0.06,-104.76) (  -0.02,-104.52)   28.45                80
 01/25/2025   21:50:50   (  -0.07,-104.70) (  -0.20,-105.22)   59.63                80
 01/26/2025   21:34:46   (  -0.07,-104.71) (   0.84,-100.67)  459.82                80
 01/28/2025   09:56:33   (   0.08,-104.79) (   0.32,-105.90)  126.31                80