Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 1 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2022   10:35:41   (  -0.04,-128.33) (   0.86,-132.28)  450.76                80
 01/29/2022   10:14:39   (  -0.03,-128.31) (  -0.16,-127.83)   55.30                80
 01/31/2022   22:18:45   (   0.02,-128.30) (  -0.09,-128.80)   57.34                80
 02/01/2022   22:03:02   (   0.02,-128.29) (   0.93,-124.36)  448.40                80
 02/03/2022   10:25:23   (  -0.02,-128.26) (   0.32,-129.74)  169.60                80
 02/04/2022   10:04:21   (  -0.02,-128.24) (  -0.70,-125.30)  336.15                80
 02/05/2022   22:26:49   (   0.02,-128.24) (  -0.55,-130.71)  282.57                80
 02/06/2022   22:11:07   (   0.02,-128.23) (   0.47,-126.27)  223.19                80
 02/08/2022   10:33:28   (  -0.01,-128.19) (   0.78,-131.66)  395.01                80
 02/09/2022   10:12:26   (  -0.01,-128.18) (  -0.24,-127.21)  110.47                80