Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2023   22:48:33   (  -0.01,-128.13) (  -0.89,-132.02)  443.91                80
 01/19/2023   22:27:34   (  -0.01,-128.14) (   0.13,-127.59)   63.48                80
 01/22/2023   10:31:39   (   0.01,-128.20) (   0.11,-128.54)   39.09                80
 01/23/2023   10:15:59   (   0.01,-128.22) (  -0.92,-124.11)  468.29                80
 01/24/2023   22:38:32   (  -0.00,-128.19) (  -0.33,-129.54)  153.67                80
 01/25/2023   22:17:33   (  -0.00,-128.20) (   0.71,-125.10)  353.43                80
 01/27/2023   10:39:58   (   0.00,-128.25) (   0.50,-130.50)  256.87                80
 01/28/2023   10:24:18   (   0.00,-128.26) (  -0.48,-126.06)  250.43                80
 01/29/2023   22:46:51   (   0.00,-128.24) (  -0.75,-131.49)  371.18                80
 01/30/2023   22:25:51   (   0.00,-128.24) (   0.24,-127.05)  135.45                80