Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2024 1 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2024   21:06:10   (  -0.02,-104.65) (   0.79,-101.11)  404.33                80
 01/30/2024   09:28:22   (   0.03,-104.69) (   0.40,-106.44)  199.88                80
 01/31/2024   09:07:14   (   0.03,-104.69) (  -0.61,-101.97)  310.87                80
 02/01/2024   21:29:34   (  -0.03,-104.65) (  -0.63,-107.33)  305.09                80
 02/02/2024   21:13:46   (  -0.03,-104.65) (   0.39,-102.85)  205.71                80
 02/04/2024   09:35:57   (   0.03,-104.69) (   0.86,-108.18)  398.60                80
 02/05/2024   09:14:49   (   0.03,-104.69) (  -0.16,-103.70)  111.85                80
 02/07/2024   21:18:40   (  -0.04,-104.64) (  -0.03,-104.59)    5.51                80
 02/10/2024   09:25:03   (   0.05,-104.67) (   0.24,-105.44)   88.64                80