Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/05/2022   22:11:59   (  -0.05,-127.60) (   0.12,-126.89)   81.92                80
 03/08/2022   10:18:37   (   0.05,-127.72) (   0.09,-127.83)   12.55                80
 03/09/2022   09:57:34   (   0.05,-127.76) (  -0.95,-123.39)  499.19                80
 03/10/2022   22:22:43   (  -0.06,-127.82) (  -0.26,-128.81)  112.41                80
 03/11/2022   22:01:40   (  -0.06,-127.86) (   0.72,-124.35)  399.08                80
 03/13/2022   10:26:40   (   0.07,-127.92) (   0.51,-129.74)  208.30                80
 03/14/2022   10:05:38   (   0.07,-127.95) (  -0.53,-125.30)  302.85                80
 03/15/2022   22:30:47   (  -0.08,-128.00) (  -0.68,-130.72)  309.73                80
 03/16/2022   22:09:44   (  -0.08,-128.04) (   0.30,-126.27)  201.28                80
 03/18/2022   10:34:45   (   0.08,-128.09) (   0.86,-131.66)  406.59                80