Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 10 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/20/2023   09:08:05   (  -0.00,-104.70) (  -0.21,-103.87)   95.43                80
 10/22/2023   21:12:04   (   0.00,-104.65) (  -0.03,-104.79)   15.30                80
 10/23/2023   20:56:18   (   0.00,-104.65) (   0.98,-100.32)  493.45                80
 10/25/2023   09:18:35   (  -0.00,-104.68) (   0.22,-105.68)  114.38                80
 10/26/2023   08:57:30   (  -0.00,-104.68) (  -0.79,-101.22)  394.50                80
 10/27/2023   21:19:54   (   0.00,-104.64) (  -0.43,-106.61)  224.18                80
 10/28/2023   21:04:09   (  -0.00,-104.64) (   0.59,-102.14)  285.00                80
 10/30/2023   09:26:25   (   0.01,-104.67) (   0.66,-107.49)  322.19                80
 10/31/2023   09:05:20   (   0.02,-104.67) (  -0.37,-103.03)  186.90                80
 11/01/2023   21:27:43   (  -0.03,-104.62) (  -0.90,-108.41)  431.96                80
 11/02/2023   21:11:57   (  -0.03,-104.62) (   0.14,-103.95)   77.13                80