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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/15/2020   06:44:49   (   0.01,-128.44) (   0.94,-124.17)  485.41                80
 01/15/2020   19:08:44   (  -0.00,-128.42) (   0.18,-129.33)  103.03                80
 01/17/2020   18:53:56   (  -0.00,-128.42) (  -0.45,-126.38)  232.10                80
 01/18/2020   07:18:01   (  -0.00,-128.44) (  -0.67,-131.58)  356.34                80
 01/20/2020   07:05:53   (   0.00,-128.44) (  -0.06,-128.63)   22.15                80
 01/22/2020   06:51:06   (   0.01,-128.44) (   0.60,-125.70)  311.68                80
 01/22/2020   19:15:02   (  -0.00,-128.42) (   0.52,-130.85)  277.24                80
 01/24/2020   19:00:15   (  -0.00,-128.41) (  -0.13,-127.92)   56.07                80
 01/26/2020   18:48:07   (  -0.00,-128.40) (  -0.70,-124.97)  389.23                80
 01/27/2020   07:12:13   (  -0.01,-128.41) (  -0.36,-130.17)  199.82                80