Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/10/2022   22:22:43   (  -0.06,-127.81) (  -0.27,-128.81)  113.05                80
 03/11/2022   22:01:40   (  -0.06,-127.85) (   0.71,-124.35)  398.27                80
 03/13/2022   10:26:40   (   0.07,-127.91) (   0.51,-129.74)  209.17                80
 03/14/2022   10:05:38   (   0.07,-127.94) (  -0.53,-125.29)  301.81                80
 03/15/2022   22:30:47   (  -0.08,-127.98) (  -0.68,-130.72)  311.29                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) (   0.90,-131.65)  408.31                80
 03/19/2022   10:13:41   (   0.08,-128.10) (  -0.14,-127.21)  102.19                80
 03/21/2022   22:20:27   (  -0.08,-128.16) (  -0.09,-128.18)    1.93                80