Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 1 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2018   07:16:02   (   0.01,-134.82) (   0.65,-131.81)  343.00                80
 01/12/2018   19:39:57   (  -0.00,-134.75) (   0.47,-136.96)  250.98                80
 01/14/2018   19:25:05   (  -0.01,-134.67) (  -0.14,-133.99)   75.95                80
 01/16/2018   19:12:53   (  -0.01,-134.57) (  -0.75,-131.03)  402.38                80
 01/17/2018   07:36:57   (   0.00,-134.60) (  -0.36,-136.22)  184.81                80
 01/19/2018   07:22:05   (   0.00,-134.50) (   0.27,-133.26)  141.18                80
 01/19/2018   19:46:00   (   0.01,-134.43) (   0.85,-138.41)  453.32                80
 01/21/2018   07:09:52   (  -0.00,-134.40) (   0.84,-130.29)  466.79                80
 01/21/2018   19:33:47   (   0.01,-134.32) (   0.27,-135.44)  127.87                80
 01/23/2018   19:18:55   (   0.01,-134.21) (  -0.38,-132.49)  197.04                80
 01/24/2018   07:40:18   (  -0.01,-134.24) (  -0.73,-137.68)  390.61                80