Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2022   22:35:18   (   0.08,-128.36) (  -0.67,-131.70)  381.14                80
 06/16/2022   22:19:34   (   0.07,-128.37) (   0.34,-127.24)  128.82                80
 06/18/2022   10:39:13   (  -0.10,-128.40) (   0.86,-132.63)  481.70                80
 06/19/2022   10:23:28   (  -0.08,-128.42) (  -0.14,-128.17)   28.01                80
 06/21/2022   22:24:50   (   0.10,-128.44) (  -0.07,-129.12)   78.55                80
 06/22/2022   22:09:06   (   0.08,-128.45) (   0.94,-124.67)  431.35                80
 06/24/2022   10:28:45   (  -0.12,-128.48) (   0.25,-130.05)  179.24                80
 06/25/2022   10:13:01   (  -0.11,-128.49) (  -0.75,-125.59)  330.02                80
 06/26/2022   22:32:48   (   0.14,-128.48) (  -0.40,-131.02)  288.01                80
 06/27/2022   22:17:03   (   0.13,-128.49) (   0.55,-126.55)  221.17                80
 06/29/2022   10:36:42   (  -0.16,-128.52) (   0.63,-131.93)  389.89                80