Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/23/2023   10:44:36   (   0.09,-128.12) (   0.81,-131.27)  359.48                80
 02/24/2023   10:28:55   (   0.09,-128.11) (  -0.16,-126.82)  145.90                80
 02/25/2023   22:51:27   (  -0.10,-128.09) (  -1.01,-132.26)  473.85                80
 02/26/2023   22:30:25   (  -0.10,-128.08) (  -0.03,-127.81)   30.97                80
 03/01/2023   10:34:27   (   0.11,-128.01) (   0.30,-128.74)   83.56                80
 03/02/2023   10:18:46   (   0.11,-127.99) (  -0.69,-124.29)  421.22                80
 03/03/2023   22:41:17   (  -0.12,-127.97) (  -0.52,-129.72)  199.16                80
 03/04/2023   22:20:16   (  -0.12,-127.95) (   0.48,-125.27)  305.20                80
 03/06/2023   10:42:39   (   0.12,-127.90) (   0.76,-130.66)  315.00                80
 03/07/2023   10:26:57   (   0.12,-127.87) (  -0.24,-126.21)  189.50                80