Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2023   22:34:59   (  -0.08,-128.22) (  -0.12,-128.40)   20.43                80
 02/16/2023   22:13:58   (  -0.08,-128.21) (   0.90,-123.96)  484.72                80
 02/18/2023   10:36:23   (   0.09,-128.19) (   0.33,-129.36)  132.93                80
 02/19/2023   10:20:41   (   0.09,-128.17) (  -0.64,-124.90)  372.39                80
 02/20/2023   22:43:14   (  -0.09,-128.16) (  -0.56,-130.33)  247.73                80
 02/21/2023   22:22:12   (  -0.09,-128.14) (   0.42,-125.88)  257.33                80
 02/23/2023   10:44:36   (   0.09,-128.11) (   0.80,-131.28)  360.92                80
 02/24/2023   10:28:55   (   0.09,-128.10) (  -0.18,-126.83)  144.30                80
 02/25/2023   22:51:26   (  -0.09,-128.08) (  -1.05,-132.25)  475.57                80
 02/26/2023   22:30:25   (  -0.10,-128.06) (  -0.06,-127.80)   29.25                80