Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 1 7.  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)
 01/18/2019   23:43:00   ( -80.27, -37.92) 01/18/2019   23:44:11  ( -80.28, -37.80)    2.61                71
 01/19/2019   00:33:58   (  80.29, 129.62) 01/19/2019   00:34:56  (  80.28, 129.48)    2.69                58
 01/19/2019   01:25:00   ( -80.29, -63.10) 01/19/2019   01:25:41  ( -80.28, -63.21)    2.14                41
 01/19/2019   02:15:59   (  80.28, 104.11) 01/19/2019   02:16:26  (  80.29, 104.07)    0.74                27
 01/19/2019   03:07:01   ( -80.29, -88.61) 01/19/2019   03:07:11  ( -80.29, -88.63)    0.26                10
 01/19/2019   03:58:00   (  80.28,  78.59) 01/19/2019   03:57:56  (  80.29,  78.65)    1.38                 4
 01/19/2019   04:49:02   ( -80.29,-114.12) 01/19/2019   04:48:41  ( -80.29,-114.04)    1.63                21
 01/19/2019   05:40:00   (  80.30,  53.40) 01/19/2019   05:39:26  (  80.29,  53.24)    3.25                34
 01/19/2019   06:31:02   ( -80.31,-139.31) 01/19/2019   06:30:11  ( -80.29,-139.45)    3.08                51
 01/19/2019   07:22:01   (  80.30,  27.89) 01/19/2019   07:20:56  (  80.30,  27.83)    1.29                65