Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2016   19:13:42   (  -0.01,-135.26) (  -0.86,-131.25)  454.80                80
 07/22/2016   07:37:45   (  -0.02,-135.23) (  -0.30,-136.43)  137.06                80
 07/24/2016   07:22:53   (  -0.01,-135.17) (   0.33,-133.48)  192.80                80
 07/24/2016   19:46:48   (   0.04,-135.16) (   0.79,-138.63)  393.99                80
 07/26/2016   19:34:36   (   0.03,-135.10) (   0.15,-135.67)   64.79                80
 07/28/2016   19:19:44   (   0.03,-135.02) (  -0.49,-132.71)  263.73                80
 07/29/2016   07:43:47   (  -0.06,-135.00) (  -0.65,-137.89)  328.40                80
 07/31/2016   07:31:34   (  -0.05,-134.92) (  -0.05,-134.92)    0.57                80
 08/02/2016   07:16:41   (  -0.05,-134.84) (   0.55,-131.96)  326.86                80
 08/02/2016   19:40:36   (   0.08,-134.82) (   0.58,-137.11)  260.70                80