Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2015   07:22:59   (   0.08,-134.39) (   0.24,-133.48)  102.84                80
 06/20/2015   19:46:55   (  -0.06,-134.38) (   0.86,-138.64)  485.02                80
 06/22/2015   07:10:51   (   0.09,-134.48) (   0.92,-130.55)  447.30                80
 06/22/2015   19:34:47   (  -0.07,-134.47) (   0.18,-135.71)  140.59                80
 06/24/2015   19:19:59   (  -0.08,-134.55) (  -0.49,-132.77)  203.32                80
 06/25/2015   07:44:03   (   0.06,-134.61) (  -0.68,-137.95)  380.58                80
 06/27/2015   07:31:55   (   0.06,-134.69) (  -0.03,-135.01)   37.59                80
 06/29/2015   07:17:07   (   0.07,-134.76) (   0.61,-132.07)  304.67                80
 06/29/2015   19:41:02   (  -0.05,-134.73) (   0.50,-137.23)  283.87                80
 07/01/2015   19:26:16   (  -0.06,-134.79) (  -0.19,-134.30)   57.14                80
 07/03/2015   19:14:08   (  -0.07,-134.85) (  -0.80,-131.35)  397.22                80