Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2018   07:36:58   (  -0.00,-134.59) (  -0.37,-136.22)  186.05                80
 01/19/2018   07:22:06   (  -0.00,-134.49) (   0.23,-133.26)  139.39                80
 01/19/2018   19:46:01   (   0.01,-134.41) (   0.85,-138.42)  455.40                80
 01/21/2018   07:09:55   (  -0.01,-134.39) (   0.89,-130.31)  464.31                80
 01/21/2018   19:33:49   (   0.02,-134.31) (   0.25,-135.46)  130.61                80
 01/23/2018   19:18:57   (   0.02,-134.20) (  -0.36,-132.50)  193.56                80
 01/24/2018   07:40:21   (  -0.02,-134.22) (  -0.74,-137.69)  394.22                80
 01/26/2018   07:28:09   (  -0.01,-134.10) (  -0.13,-134.72)   71.16                80
 01/28/2018   07:18:37   (  -0.01,-133.97) (   0.48,-131.76)  251.05                80
 01/28/2018   19:39:52   (   0.01,-133.88) (   0.65,-136.91)  344.58                80
 01/30/2018   19:25:00   (   0.01,-133.74) (   0.03,-133.95)   23.18                80