Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 1 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)
 01/22/2023   10:31:28   (   0.02,-125.31) (   0.71,-128.41)  353.06                80
 01/23/2023   10:15:44   (   0.02,-124.15) (  -0.03,-123.91)   27.84                80
 01/24/2023   09:57:19   (   0.01,-123.00) (  -0.77,-119.41)  408.94                80
 01/25/2023   22:17:07   (  -0.01,-121.24) (  -0.83,-124.76)  401.21                80
 01/26/2023   21:58:42   (  -0.01,-120.09) (  -0.08,-120.26)   20.15                80
 01/27/2023   21:42:59   (  -0.01,-118.93) (   0.73,-115.77)  361.04                80
 01/29/2023   10:02:37   (   0.02,-117.15) (   0.88,-121.08)  447.12                80
 01/30/2023   09:44:12   (   0.02,-116.00) (   0.12,-116.58)   66.19                80
 01/31/2023   09:28:28   (   0.02,-114.84) (  -0.63,-112.09)  314.57                80
 02/01/2023   21:48:14   (  -0.02,-113.07) (  -0.99,-117.43)  496.12                80
 02/02/2023   21:29:50   (  -0.02,-111.92) (  -0.22,-112.93)  115.28                80
 02/03/2023   21:14:04   (  -0.02,-110.76) (   0.48,-108.42)  265.40                80