Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 1 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2016   23:43:02   (   0.10,-134.66) (  -0.82,-138.54)  443.69                80
 01/13/2016   23:29:04   (   0.10,-134.70) (  -0.17,-135.80)  125.95                80
 01/14/2016   23:20:27   (   0.10,-134.74) (   0.48,-133.06)  191.70                80
 01/17/2016   11:39:48   (  -0.10,-134.90) (   0.68,-138.33)  391.95                80
 01/18/2016   11:28:30   (  -0.10,-134.93) (   0.04,-135.59)   74.83                80
 01/19/2016   11:19:53   (  -0.09,-134.97) (  -0.61,-132.85)  242.20                80
 01/21/2016   23:41:50   (   0.09,-134.99) (  -0.60,-138.10)  354.00                80
 01/22/2016   23:30:32   (   0.09,-135.02) (  -0.01,-135.35)   37.44                80
 01/23/2016   23:16:34   (   0.08,-135.05) (   0.64,-132.61)  279.18                80