Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/21/2023   22:22:12   (  -0.09,-128.15) (   0.41,-125.88)  258.58                80
 02/23/2023   10:44:36   (   0.09,-128.12) (   0.80,-131.28)  359.39                80
 02/24/2023   10:28:55   (   0.09,-128.11) (  -0.18,-126.83)  146.01                80
 02/25/2023   22:51:26   (  -0.10,-128.10) (  -1.05,-132.25)  473.57                80
 02/26/2023   22:30:24   (  -0.10,-128.08) (  -0.07,-127.80)   31.44                80
 03/01/2023   10:34:27   (   0.11,-128.02) (   0.26,-128.75)   83.11                80
 03/02/2023   10:18:46   (   0.11,-128.00) (  -0.73,-124.30)  421.69                80
 03/03/2023   22:41:16   (  -0.12,-127.98) (  -0.54,-129.71)  198.53                80
 03/04/2023   22:20:15   (  -0.12,-127.95) (   0.47,-125.26)  305.92                80
 03/06/2023   10:42:38   (   0.12,-127.90) (   0.76,-130.65)  314.25                80