Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/03/2022   10:25:24   (  -0.04,-128.25) (   0.29,-129.75)  170.80                80
 02/04/2022   10:04:21   (  -0.04,-128.23) (  -0.73,-125.30)  334.84                80
 02/05/2022   22:26:49   (   0.04,-128.23) (  -0.53,-130.72)  283.83                80
 02/06/2022   22:11:07   (   0.04,-128.22) (   0.49,-126.27)  221.80                80
 02/08/2022   10:33:28   (  -0.03,-128.18) (   0.75,-131.66)  397.00                80
 02/09/2022   10:12:26   (  -0.03,-128.16) (  -0.27,-127.22)  108.17                80
 02/11/2022   22:16:32   (   0.02,-128.12) (   0.03,-128.19)    7.25                80
 02/12/2022   22:00:48   (  -0.01,-128.10) (   0.99,-123.73)  498.69                80
 02/14/2022   10:23:09   (   0.01,-128.05) (   0.24,-129.12)  121.21                80
 02/15/2022   10:02:07   (   0.01,-128.02) (  -0.78,-124.67)  383.05                80
 02/16/2022   22:24:35   (  -0.01,-128.00) (  -0.47,-130.09)  238.14                80