Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2018   07:18:48   (   0.01,-134.98) (   0.70,-131.81)  360.76                80
 03/17/2018   19:37:24   (  -0.02,-134.98) (   0.38,-136.97)  226.26                80
 03/19/2018   19:27:52   (  -0.01,-134.91) (  -0.19,-134.00)  101.93                80
 03/20/2018   07:46:35   (   0.02,-134.87) (  -0.93,-139.19)  492.16                80
 03/21/2018   19:15:41   (  -0.01,-134.82) (  -0.81,-131.05)  429.19                80
 03/22/2018   07:34:25   (   0.02,-134.79) (  -0.30,-136.24)  165.12                80
 03/24/2018   07:24:54   (   0.02,-134.70) (   0.34,-133.28)  160.96                80
 03/24/2018   19:43:29   (  -0.03,-134.68) (   0.75,-138.44)  426.89                80
 03/26/2018   07:12:42   (   0.02,-134.60) (   0.91,-130.31)  486.34                80
 03/26/2018   19:31:17   (  -0.03,-134.58) (   0.18,-135.47)  101.65                80
 03/28/2018   19:21:46   (  -0.03,-134.48) (  -0.46,-132.52)  223.40                80
 03/29/2018   07:40:30   (   0.04,-134.44) (  -0.65,-137.71)  371.29                80