Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 1 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/08/2025   09:28:53   (   0.01,-104.70) (  -0.95,-100.33)  497.94                80
 01/09/2025   21:50:51   (  -0.01,-104.64) (  -0.23,-105.60)  109.32                80
 01/10/2025   21:34:46   (  -0.01,-104.64) (   0.78,-101.05)  409.59                80
 01/12/2025   09:56:33   (   0.01,-104.72) (   0.40,-106.27)  178.18                80
 01/13/2025   09:35:10   (   0.01,-104.72) (  -0.68,-101.74)  340.70                80
 01/14/2025   21:57:06   (  -0.02,-104.66) (  -0.54,-107.00)  266.52                80
 01/15/2025   21:41:02   (  -0.02,-104.67) (   0.49,-102.45)  252.85                80
 01/17/2025   10:02:49   (   0.02,-104.75) (   0.68,-107.68)  333.60                80
 01/18/2025   09:41:25   (   0.01,-104.76) (  -0.36,-103.13)  185.81                80
 01/19/2025   22:03:21   (  -0.02,-104.70) (  -0.84,-108.39)  420.86                80
 01/20/2025   21:47:16   (  -0.01,-104.71) (   0.20,-103.85)   98.84                80