Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/12/2023   10:46:28   (   0.06,-128.25) (   0.91,-131.86)  412.24                80
 02/13/2023   10:30:48   (   0.07,-128.25) (  -0.10,-127.42)   93.57                80
 02/15/2023   22:34:59   (  -0.08,-128.21) (  -0.13,-128.41)   22.34                80
 02/16/2023   22:13:59   (  -0.08,-128.19) (   0.88,-123.96)  482.47                80
 02/18/2023   10:36:23   (   0.08,-128.17) (   0.36,-129.35)  135.04                80
 02/19/2023   10:20:43   (   0.09,-128.16) (  -0.65,-124.91)  369.86                80
 02/20/2023   22:43:15   (  -0.09,-128.13) (  -0.56,-130.34)  251.57                80
 02/21/2023   22:22:14   (  -0.09,-128.11) (   0.39,-125.89)  253.09                80
 02/23/2023   10:44:39   (   0.09,-128.08) (   0.79,-131.29)  365.14                80
 02/24/2023   10:28:57   (   0.09,-128.07) (  -0.17,-126.84)  139.67                80