Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 12 23.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/05/2019   02:28:03   ( -80.13, -81.81) 01/05/2019   02:29:07  ( -80.14, -77.42)   83.56                64
 01/05/2019   03:18:57   (  80.31,  88.18) 01/05/2019   03:19:57  (  80.28,  88.28)    3.27                60
 01/05/2019   04:09:56   ( -80.30,-104.73) 01/05/2019   04:10:43  ( -80.31,-104.70)    1.23                47
 01/05/2019   05:00:57   (  80.31,  62.66) 01/05/2019   05:01:27  (  80.31,  62.55)    2.27                30
 01/05/2019   05:51:56   ( -80.30,-130.24) 01/05/2019   05:52:12  ( -80.31,-130.11)    2.75                16
 01/05/2019   06:42:58   (  80.30,  37.15) 01/05/2019   06:42:57  (  80.31,  37.14)    1.12                 1
 01/05/2019   07:33:56   ( -80.32,-155.41) 01/05/2019   07:33:42  ( -80.31,-155.52)    2.10                14
 01/05/2019   08:24:59   (  80.30,  11.64) 01/05/2019   08:24:27  (  80.32,  11.72)    2.18                32
 01/05/2019   09:15:57   ( -80.31, 179.08) 01/05/2019   09:15:12  ( -80.32, 179.07)    0.30                45
 01/05/2019   10:06:59   (  80.32, -13.54) 01/05/2019   10:05:57  (  80.32, -13.69)    2.77                62