Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/01/2023   21:48:14   (  -0.04,-113.07) (  -1.05,-117.41)  495.95                80
 02/02/2023   21:29:49   (  -0.05,-111.92) (  -0.29,-112.92)  114.53                80
 02/03/2023   21:14:05   (  -0.05,-110.76) (   0.47,-108.42)  266.70                80
 02/06/2023   09:15:18   (   0.06,-107.84) (   0.38,-109.23)  158.90                80
 02/07/2023   08:59:34   (   0.06,-106.69) (  -0.38,-104.74)  222.33                80
 02/09/2023   21:00:56   (  -0.06,-103.77) (  -0.45,-105.58)  206.53                80
 02/10/2023   20:45:10   (  -0.06,-102.62) (   0.26,-101.08)  174.90                80
 02/13/2023   08:46:24   (   0.07, -99.70) (   0.58,-101.89)  250.35                80
 02/14/2023   08:30:40   (   0.07, -98.54) (  -0.19, -97.40)  130.73                80