Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 12.  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) (   0.90,-131.86)  412.21                80
 02/13/2023   10:30:48   (   0.07,-128.25) (  -0.10,-127.42)   93.64                80
 02/15/2023   22:34:59   (  -0.08,-128.21) (  -0.12,-128.41)   22.03                80
 02/16/2023   22:13:59   (  -0.08,-128.20) (   0.89,-123.97)  482.82                80
 02/18/2023   10:36:23   (   0.08,-128.17) (   0.35,-129.36)  134.70                80
 02/19/2023   10:20:43   (   0.09,-128.16) (  -0.66,-124.92)  370.25                80
 02/20/2023   22:43:14   (  -0.09,-128.13) (  -0.61,-130.33)  251.01                80
 02/21/2023   22:22:14   (  -0.09,-128.12) (   0.41,-125.89)  253.70                80
 02/23/2023   10:44:38   (   0.09,-128.09) (   0.82,-131.28)  364.51                80
 02/24/2023   10:28:57   (   0.09,-128.07) (  -0.20,-126.84)  140.35                80
 02/25/2023   22:51:29   (  -0.09,-128.05) (  -1.06,-132.26)  480.69                80