Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/08/2022   10:18:37   (   0.06,-127.72) (   0.07,-127.83)   12.72                80
 03/09/2022   09:57:33   (   0.05,-127.76) (  -0.91,-123.37)  498.89                80
 03/10/2022   22:22:43   (  -0.06,-127.81) (  -0.30,-128.80)  113.12                80
 03/11/2022   22:01:40   (  -0.06,-127.85) (   0.73,-124.36)  398.21                80
 03/13/2022   10:26:40   (   0.07,-127.91) (   0.49,-129.74)  209.20                80
 03/14/2022   10:05:38   (   0.07,-127.94) (  -0.55,-125.30)  301.79                80
 03/15/2022   22:30:46   (  -0.08,-127.99) (  -0.72,-130.71)  311.27                80
 03/16/2022   22:09:44   (  -0.08,-128.02) (   0.32,-126.27)  199.61                80
 03/18/2022   10:34:44   (   0.08,-128.07) (   0.90,-131.65)  408.27                80
 03/19/2022   10:13:42   (   0.08,-128.10) (  -0.14,-127.21)  102.26                80
 03/21/2022   22:20:27   (  -0.08,-128.17) (  -0.09,-128.18)    1.82                80