Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/15/2018   07:30:59   (   0.01,-135.05) (   0.06,-134.77)   31.89                80
 03/17/2018   07:18:48   (   0.01,-134.98) (   0.70,-131.81)  360.81                80
 03/17/2018   19:37:23   (  -0.02,-134.98) (   0.39,-136.97)  226.39                80
 03/19/2018   19:27:51   (  -0.01,-134.90) (  -0.19,-134.01)  101.80                80
 03/20/2018   07:46:35   (   0.02,-134.87) (  -0.92,-139.20)  492.07                80
 03/21/2018   19:15:41   (  -0.01,-134.82) (  -0.83,-131.05)  429.12                80
 03/22/2018   07:34:24   (   0.02,-134.79) (  -0.27,-136.24)  165.00                80
 03/24/2018   07:24:52   (   0.02,-134.70) (   0.31,-133.28)  161.15                80
 03/24/2018   19:43:28   (  -0.03,-134.68) (   0.77,-138.44)  426.88                80
 03/26/2018   07:12:40   (   0.02,-134.60) (   0.91,-130.31)  486.62                80
 03/26/2018   19:31:16   (  -0.03,-134.58) (   0.18,-135.47)  101.55                80