Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2022   10:20:54   (   0.38,-127.91) (   0.24,-127.40)   58.20                80
 09/05/2022   22:24:55   (  -0.37,-127.80) (  -0.47,-128.35)   61.74                80
 09/06/2022   22:09:09   (  -0.36,-127.78) (   0.51,-123.88)  444.26                80
 09/08/2022   10:31:27   (   0.35,-127.79) (   0.68,-129.26)  166.75                80
 09/09/2022   10:10:21   (   0.36,-127.77) (  -0.30,-124.79)  338.67                80
 09/10/2022   22:32:47   (  -0.34,-127.67) (  -0.90,-130.20)  288.22                80
 09/11/2022   22:17:02   (  -0.35,-127.65) (   0.09,-125.74)  217.94                80
 09/13/2022   10:39:19   (   0.33,-127.67) (   1.12,-131.11)  392.02                80
 09/14/2022   10:18:14   (   0.34,-127.64) (   0.13,-126.65)  113.33                80
 09/16/2022   22:22:15   (  -0.33,-127.51) (  -0.32,-127.60)   10.23                80