Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/23/2023   21:16:47   (  -0.01,-104.69) (  -0.50,-106.82)  243.47                80
 08/24/2023   21:01:04   (  -0.02,-104.69) (   0.52,-102.37)  264.67                80
 08/26/2023   09:23:22   (   0.02,-104.72) (   0.72,-107.73)  343.88                80
 08/27/2023   09:02:19   (   0.02,-104.71) (  -0.30,-103.28)  163.84                80
 08/28/2023   21:24:47   (  -0.03,-104.67) (  -0.93,-108.68)  457.36                80
 08/29/2023   21:09:03   (  -0.03,-104.67) (   0.09,-104.23)   50.74                80
 09/01/2023   09:12:58   (   0.04,-104.70) (   0.12,-105.14)   49.18                80
 09/02/2023   08:51:54   (   0.03,-104.70) (  -0.85,-100.67)  458.95                80
 09/03/2023   21:14:22   (  -0.04,-104.66) (  -0.36,-106.08)  161.78                80
 09/04/2023   20:58:39   (  -0.04,-104.66) (   0.67,-101.63)  346.57                80