Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/04/2022   10:04:20   (   0.00,-128.20) (  -0.65,-125.29)  332.41                80
 02/05/2022   22:26:49   (  -0.00,-128.20) (  -0.55,-130.71)  285.93                80
 02/06/2022   22:11:06   (   0.00,-128.19) (   0.41,-126.26)  220.07                80
 02/08/2022   10:33:28   (  -0.00,-128.16) (   0.77,-131.66)  398.01                80
 02/09/2022   10:12:24   (  -0.01,-128.15) (  -0.19,-127.20)  107.45                80
 02/11/2022   22:16:31   (   0.01,-128.11) (   0.02,-128.18)    7.55                80
 02/12/2022   22:00:48   (   0.02,-128.10) (   0.98,-123.73)  497.91                80
 02/14/2022   10:23:10   (  -0.02,-128.06) (   0.19,-129.13)  121.33                80
 02/15/2022   10:02:07   (  -0.02,-128.03) (  -0.77,-124.67)  383.39                80
 02/16/2022   22:24:35   (   0.02,-128.01) (  -0.48,-130.08)  237.46                80
 02/17/2022   22:08:52   (   0.02,-127.99) (   0.55,-125.64)  267.30                80