Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/18/2023   10:36:22   (   0.09,-128.19) (   0.38,-129.34)  132.67                80
 02/19/2023   10:20:41   (   0.09,-128.17) (  -0.65,-124.91)  372.75                80
 02/20/2023   22:43:13   (  -0.09,-128.16) (  -0.61,-130.32)  247.04                80
 02/21/2023   22:22:12   (  -0.09,-128.15) (   0.43,-125.89)  258.11                80
 02/23/2023   10:44:36   (   0.09,-128.12) (   0.78,-131.28)  360.13                80
 02/24/2023   10:28:55   (   0.09,-128.10) (  -0.20,-126.83)  145.19                80
 02/25/2023   22:51:26   (  -0.10,-128.09) (  -1.03,-132.25)  474.36                80
 02/26/2023   22:30:25   (  -0.10,-128.07) (  -0.05,-127.80)   30.44                80
 03/01/2023   10:34:28   (   0.11,-128.01) (   0.25,-128.75)   84.37                80
 03/02/2023   10:18:46   (   0.11,-127.99) (  -0.75,-124.30)  420.42                80
 03/03/2023   22:41:16   (  -0.11,-127.97) (  -0.52,-129.72)  199.77                80