Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 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)
 03/11/2022   22:01:40   (  -0.06,-127.85) (   0.71,-124.35)  398.32                80
 03/13/2022   10:26:40   (   0.07,-127.91) (   0.51,-129.73)  209.18                80
 03/14/2022   10:05:37   (   0.07,-127.94) (  -0.53,-125.29)  301.79                80
 03/15/2022   22:30:47   (  -0.08,-127.98) (  -0.69,-130.72)  311.30                80
 03/16/2022   22:09:43   (  -0.08,-128.02) (   0.30,-126.26)  199.56                80
 03/18/2022   10:34:44   (   0.08,-128.07) (   0.91,-131.65)  408.37                80
 03/19/2022   10:13:41   (   0.08,-128.10) (  -0.13,-127.21)  102.11                80
 03/21/2022   22:20:27   (  -0.08,-128.16) (  -0.10,-128.18)    2.33                80
 03/24/2022   10:24:24   (   0.09,-128.22) (   0.31,-129.11)  101.56                80