Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 1 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2023   21:58:43   (  -0.01,-120.10) (  -0.02,-120.27)   18.81                80
 01/27/2023   21:42:59   (  -0.01,-118.95) (   0.73,-115.77)  362.77                80
 01/29/2023   10:02:37   (   0.01,-117.18) (   0.88,-121.08)  444.64                80
 01/30/2023   09:44:12   (   0.01,-116.02) (   0.13,-116.58)   63.37                80
 01/31/2023   09:28:28   (   0.01,-114.87) (  -0.62,-112.08)  317.63                80
 02/01/2023   21:48:14   (  -0.02,-113.10) (  -1.00,-117.42)  492.97                80
 02/02/2023   21:29:50   (  -0.02,-111.95) (  -0.24,-112.93)  111.79                80
 02/03/2023   21:14:05   (  -0.02,-110.79) (   0.52,-108.43)  269.17                80
 02/06/2023   09:15:19   (   0.02,-107.86) (   0.32,-109.25)  157.27                80
 02/07/2023   08:59:35   (   0.02,-106.71) (  -0.45,-104.75)  223.79                80