Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2025   09:56:33   (   0.02,-104.71) (   0.40,-106.27)  178.32                80
 01/13/2025   09:35:10   (   0.03,-104.72) (  -0.68,-101.74)  340.36                80
 01/14/2025   21:57:06   (  -0.03,-104.65) (  -0.55,-106.99)  267.30                80
 01/15/2025   21:41:02   (  -0.03,-104.65) (   0.47,-102.45)  251.92                80
 01/17/2025   10:02:49   (   0.04,-104.74) (   0.70,-107.67)  334.49                80
 01/18/2025   09:41:25   (   0.04,-104.75) (  -0.33,-103.13)  184.71                80
 01/19/2025   22:03:21   (  -0.04,-104.68) (  -0.89,-108.38)  422.51                80
 01/20/2025   21:47:16   (  -0.04,-104.69) (   0.14,-103.84)   96.99                80
 01/22/2025   10:09:04   (   0.04,-104.78) (   1.02,-109.07)  488.89                80
 01/23/2025   09:47:39   (   0.04,-104.79) (  -0.01,-104.52)   30.30                80
 01/25/2025   21:50:51   (  -0.05,-104.72) (  -0.15,-105.23)   58.29                80