Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/18/2023   21:08:47   (  -0.02,-104.69) (  -0.09,-104.96)   31.05                80
 08/19/2023   20:53:03   (  -0.02,-104.69) (   0.92,-100.50)  477.24                80
 08/21/2023   09:15:22   (   0.02,-104.72) (   0.28,-105.87)  131.91                80
 08/22/2023   08:54:19   (   0.02,-104.71) (  -0.74,-101.42)  376.00                80
 08/23/2023   21:16:47   (  -0.02,-104.68) (  -0.50,-106.82)  244.19                80
 08/24/2023   21:01:04   (  -0.02,-104.68) (   0.52,-102.37)  263.73                80
 08/26/2023   09:23:22   (   0.03,-104.70) (   0.73,-107.73)  345.65                80
 08/27/2023   09:02:19   (   0.03,-104.69) (  -0.30,-103.28)  161.84                80
 08/28/2023   21:24:47   (  -0.04,-104.65) (  -0.93,-108.68)  459.24                80
 08/29/2023   21:09:02   (  -0.04,-104.65) (   0.03,-104.22)   48.65                80