Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2020 1 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/13/2020   06:56:57   (   0.02,-128.43) (   0.32,-127.12)  149.69                80
 01/13/2020   19:20:53   (  -0.01,-128.41) (   0.83,-132.27)  439.09                80
 01/15/2020   06:44:51   (   0.01,-128.44) (   0.90,-124.18)  484.04                80
 01/15/2020   19:08:48   (  -0.00,-128.42) (   0.22,-129.34)  105.18                80
 01/17/2020   18:54:07   (  -0.01,-128.42) (  -0.46,-126.43)  227.21                80
 01/18/2020   07:18:14   (  -0.00,-128.44) (  -0.65,-131.63)  361.95                80
 01/20/2020   07:06:15   (   0.00,-128.44) (  -0.06,-128.72)   31.90                80
 01/22/2020   06:51:39   (   0.01,-128.44) (   0.56,-125.83)  296.39                80
 01/22/2020   19:15:39   (  -0.00,-128.41) (   0.54,-131.00)  294.39                80
 01/24/2020   19:01:06   (  -0.01,-128.40) (  -0.05,-128.12)   32.05                80
 01/26/2020   18:49:16   (  -0.00,-128.39) (  -0.66,-125.25)  357.15                80