Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 5 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/01/2016   07:49:30   (   0.08,-135.29) (  -0.80,-139.33)  459.98                80
 05/02/2016   19:15:57   (  -0.08,-135.29) (  -0.97,-131.20)  466.39                80
 05/03/2016   07:37:21   (   0.08,-135.25) (  -0.18,-136.38)  128.65                80
 05/05/2016   07:22:32   (   0.08,-135.21) (   0.45,-133.43)  202.13                80
 05/05/2016   19:43:49   (  -0.08,-135.23) (   0.61,-138.60)  382.63                80
 05/07/2016   19:31:39   (  -0.08,-135.18) (   0.04,-135.64)   52.75                80
 05/09/2016   19:22:10   (  -0.09,-135.13) (  -0.59,-132.70)  276.59                80
 05/10/2016   07:43:35   (   0.09,-135.09) (  -0.49,-137.90)  318.42                80
 05/12/2016   07:28:45   (   0.09,-135.03) (   0.09,-134.94)   10.58                80
 05/14/2016   07:16:36   (   0.10,-134.97) (   0.74,-131.99)  338.95                80
 05/14/2016   19:37:52   (  -0.10,-134.98) (   0.38,-137.15)  246.72                80