Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2019 1 3.  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)
 01/04/2019   01:23:25   (   0.13,-128.42) (  -0.81,-132.46)  461.57                80
 01/05/2019   01:11:49   (   0.12,-128.40) (  -0.15,-129.63)  140.70                80
 01/06/2019   00:57:34   (   0.12,-128.38) (   0.51,-126.81)  180.09                80
 01/08/2019   13:18:38   (  -0.12,-128.40) (   0.67,-131.79)  387.00                80
 01/09/2019   13:07:02   (  -0.11,-128.38) (   0.00,-128.96)   66.27                80
 01/10/2019   12:58:06   (  -0.11,-128.36) (  -0.61,-126.12)  254.39                80
 01/13/2019   01:19:29   (   0.11,-128.22) (  -0.56,-131.19)  338.93                80
 01/14/2019   01:07:52   (   0.11,-128.19) (   0.05,-128.35)   19.07                80
 01/15/2019   00:53:37   (   0.11,-128.16) (   0.72,-125.52)  300.95                80
 01/17/2019   13:14:40   (  -0.10,-128.15) (   0.43,-130.51)  269.56                80