Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2019 3 8.  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)
 03/09/2019   13:25:36   (   0.02,-128.39) (   0.70,-131.30)  332.49                80
 03/10/2019   13:14:00   (   0.02,-128.39) (   0.06,-128.47)    9.70                80
 03/11/2019   13:05:04   (   0.02,-128.39) (  -0.64,-125.64)  313.89                80
 03/14/2019   01:26:15   (  -0.01,-128.35) (  -0.54,-130.66)  262.81                80
 03/15/2019   01:11:59   (  -0.01,-128.34) (   0.11,-127.82)   59.47                80
 03/16/2019   01:00:22   (  -0.01,-128.33) (   0.76,-124.99)  381.60                80
 03/18/2019   13:21:35   (   0.01,-128.32) (   0.39,-130.01)  193.26                80
 03/19/2019   13:12:38   (   0.01,-128.30) (  -0.26,-127.18)  128.76                80
 03/20/2019   13:01:02   (   0.01,-128.29) (  -0.91,-124.34)  450.72                80
 03/22/2019   01:33:48   (  -0.02,-128.25) (  -0.93,-132.18)  449.04                80