Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 1 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2018   07:22:07   (  -0.01,-134.71) (   0.33,-133.28)  162.69                80
 01/19/2018   19:46:02   (   0.01,-134.70) (   0.81,-138.43)  423.63                80
 01/21/2018   19:33:51   (   0.02,-134.79) (   0.14,-135.48)   77.85                80
 01/23/2018   19:18:59   (   0.02,-134.87) (  -0.47,-132.52)  267.37                80
 01/24/2018   07:43:03   (  -0.02,-134.92) (  -0.63,-137.71)  317.80                80
 01/26/2018   07:28:12   (  -0.01,-134.99) (   0.04,-134.76)   26.21                80
 01/28/2018   07:16:00   (  -0.01,-135.05) (   0.66,-131.80)  369.33                80
 01/28/2018   19:39:56   (   0.01,-135.04) (   0.41,-136.96)  218.29                80
 01/30/2018   19:27:44   (   0.01,-135.10) (  -0.22,-134.00)  124.26                80
 01/31/2018   07:49:08   (  -0.02,-135.14) (  -0.87,-139.19)  461.06                80