Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 12 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2022   10:26:31   (  -0.00,-127.58) (   0.01,-127.60)    2.87                80
 12/28/2022   22:33:28   (   0.01,-127.60) (  -0.19,-128.61)  115.32                80
 12/29/2022   22:12:28   (   0.01,-127.63) (   0.81,-124.18)  394.43                80
 12/31/2022   10:34:55   (  -0.01,-127.75) (   0.37,-129.58)  208.04                80
 01/01/2023   10:19:15   (  -0.01,-127.79) (  -0.62,-125.15)  301.76                80
 01/02/2023   22:41:49   (   0.01,-127.77) (  -0.65,-130.57)  320.82                80
 01/03/2023   22:20:50   (   0.01,-127.80) (   0.35,-126.14)  188.42                80
 01/05/2023   10:43:16   (  -0.01,-127.91) (   0.83,-131.55)  415.52                80
 01/06/2023   10:27:37   (  -0.00,-127.93) (  -0.17,-127.11)   93.65                80