Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 12 29.  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)
 12/31/2018   13:10:59   (  -0.14,-128.57) (   0.28,-130.24)  190.88                80
 01/01/2019   13:02:03   (  -0.13,-128.56) (  -0.39,-127.41)  130.95                80
 01/02/2019   12:50:28   (  -0.13,-128.54) (  -1.06,-124.58)  452.68                80
 01/04/2019   01:23:25   (   0.13,-128.43) (  -0.79,-132.47)  460.97                80
 01/05/2019   01:11:49   (   0.12,-128.41) (  -0.19,-129.63)  139.82                80
 01/06/2019   00:57:33   (   0.12,-128.39) (   0.47,-126.80)  181.31                80
 01/08/2019   13:18:38   (  -0.11,-128.43) (   0.64,-131.80)  384.19                80
 01/09/2019   13:07:02   (  -0.11,-128.41) (   0.03,-128.96)   63.12                80
 01/10/2019   12:58:06   (  -0.11,-128.39) (  -0.64,-126.13)  257.85                80