Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 6 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)
 06/12/2018   00:57:57   (   0.14,-134.47) (   0.33,-133.56)  103.47                80
 06/13/2018   00:46:23   (   0.14,-134.42) (   0.97,-130.74)  419.57                80
 06/14/2018   13:16:35   (  -0.17,-134.32) (   0.82,-138.61)  489.72                80
 06/15/2018   13:05:01   (  -0.17,-134.26) (   0.20,-135.79)  174.41                80
 06/16/2018   12:56:08   (  -0.17,-134.21) (  -0.43,-132.97)  140.83                80
 06/17/2018   12:44:35   (  -0.16,-134.15) (  -1.11,-130.16)  455.97                80
 06/19/2018   01:14:48   (   0.19,-134.06) (  -0.76,-138.03)  453.60                80
 06/20/2018   01:03:15   (   0.18,-134.00) (  -0.11,-135.21)  138.24                80
 06/21/2018   00:54:22   (   0.18,-133.94) (   0.53,-132.39)  177.02                80
 06/22/2018   00:42:48   (   0.18,-133.88) (   1.17,-129.57)  492.24                80
 06/23/2018   13:13:00   (  -0.20,-133.78) (   0.67,-137.44)  418.33                80
 06/24/2018   13:01:28   (  -0.20,-133.72) (  -0.02,-134.63)  103.73                80
 06/25/2018   12:52:34   (  -0.20,-133.65) (  -0.65,-131.81)  210.80                80