Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/22/2023   08:54:19   (   0.01,-104.72) (  -0.73,-101.42)  376.81                80
 08/23/2023   21:16:47   (  -0.02,-104.69) (  -0.51,-106.82)  243.51                80
 08/24/2023   21:01:04   (  -0.02,-104.69) (   0.51,-102.36)  264.60                80
 08/26/2023   09:23:23   (   0.02,-104.72) (   0.68,-107.74)  344.05                80
 08/27/2023   09:02:18   (   0.03,-104.71) (  -0.29,-103.27)  163.65                80
 08/28/2023   21:24:47   (  -0.03,-104.67) (  -0.95,-108.68)  457.58                80
 08/29/2023   21:09:03   (  -0.03,-104.66) (   0.08,-104.22)   50.45                80
 09/01/2023   09:12:58   (   0.04,-104.70) (   0.13,-105.13)   49.53                80
 09/02/2023   08:51:54   (   0.04,-104.70) (  -0.84,-100.67)  458.53                80
 09/03/2023   21:14:22   (  -0.04,-104.66) (  -0.37,-106.08)  162.21                80
 09/04/2023   20:58:38   (  -0.04,-104.66) (   0.66,-101.62)  346.11                80