Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2019 1 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)
 01/09/2019   13:07:02   (  -0.11,-128.38) (   0.04,-128.96)   66.67                80
 01/10/2019   12:58:06   (  -0.11,-128.35) (  -0.63,-126.13)  253.85                80
 01/13/2019   01:19:28   (   0.11,-128.21) (  -0.59,-131.18)  339.77                80
 01/14/2019   01:07:53   (   0.11,-128.18) (   0.08,-128.36)   19.87                80
 01/15/2019   00:53:36   (   0.11,-128.15) (   0.69,-125.52)  299.91                80
 01/17/2019   13:14:40   (  -0.10,-128.13) (   0.45,-130.51)  270.84                80
 01/18/2019   13:05:44   (  -0.10,-128.10) (  -0.22,-127.68)   48.57                80
 01/19/2019   12:54:08   (  -0.09,-128.06) (  -0.83,-124.84)  367.67                80
 01/22/2019   01:15:30   (   0.08,-127.89) (  -0.37,-129.90)  228.32                80