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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/02/2023   10:32:35   (   0.05,-128.29) (  -0.02,-127.99)   33.77                80
 02/04/2023   22:36:48   (  -0.05,-128.26) (  -0.20,-128.98)   81.96                80
 02/05/2023   22:15:47   (  -0.06,-128.26) (   0.80,-124.54)  424.18                80
 02/07/2023   10:38:11   (   0.06,-128.28) (   0.46,-129.93)  188.66                80
 02/08/2023   10:22:32   (   0.06,-128.28) (  -0.60,-125.50)  317.63                80
 02/09/2023   22:45:04   (  -0.06,-128.25) (  -0.65,-130.92)  304.51                80
 02/10/2023   22:24:04   (  -0.06,-128.24) (   0.35,-126.48)  201.22                80
 02/12/2023   10:46:28   (   0.06,-128.25) (   0.90,-131.87)  413.08                80
 02/13/2023   10:30:48   (   0.06,-128.24) (  -0.10,-127.43)   92.49                80
 02/15/2023   22:34:59   (  -0.07,-128.18) (  -0.12,-128.41)   25.65                80