Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 1 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/03/2018   07:22:08   (   0.03,-135.14) (   0.40,-133.30)  208.40                80
 01/03/2018   19:46:04   (  -0.02,-135.07) (   0.67,-138.46)  385.63                80
 01/05/2018   19:31:12   (  -0.02,-135.01) (   0.08,-135.50)   55.60                80
 01/07/2018   19:21:40   (  -0.02,-134.95) (  -0.52,-132.53)  274.30                80
 01/08/2018   07:43:04   (   0.01,-134.99) (  -0.59,-137.73)  310.92                80
 01/10/2018   07:28:12   (   0.01,-134.93) (   0.03,-134.76)   18.66                80
 01/12/2018   07:16:00   (   0.02,-134.86) (   0.64,-131.80)  347.39                80
 01/12/2018   19:37:16   (  -0.01,-134.78) (   0.42,-136.96)  247.49                80
 01/14/2018   19:27:43   (  -0.01,-134.70) (  -0.15,-133.99)   80.82                80