Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/21/2023   20:43:28   (  -0.04,-104.66) (   0.86,-100.60)  462.38                80
 02/23/2023   09:05:52   (   0.04,-104.67) (   0.35,-106.00)  151.49                80
 02/24/2023   08:44:52   (   0.04,-104.68) (  -0.69,-101.56)  356.24                80
 02/25/2023   21:07:23   (  -0.05,-104.70) (  -0.55,-106.98)  259.96                80
 02/26/2023   20:51:41   (  -0.05,-104.71) (   0.44,-102.53)  247.98                80
 02/28/2023   09:14:06   (   0.05,-104.72) (   0.75,-107.93)  365.48                80
 03/01/2023   08:53:04   (   0.06,-104.73) (  -0.24,-103.48)  142.29                80
 03/02/2023   21:15:35   (  -0.06,-104.74) (  -1.03,-108.89)  474.12                80
 03/03/2023   20:59:54   (  -0.06,-104.75) (   0.03,-104.46)   34.06                80
 03/06/2023   09:03:56   (   0.07,-104.78) (   0.20,-105.40)   70.80                80