Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 1 16.  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, -37.93) 01/18/2019   23:44:11  ( -80.28, -37.84)    2.56                71
 01/19/2019   00:33:58   (  80.29, 129.66) 01/19/2019   00:34:56  (  80.28, 129.50)    3.02                58
 01/19/2019   01:25:00   ( -80.29, -63.11) 01/19/2019   01:25:41  ( -80.29, -63.25)    2.51                41
 01/19/2019   02:15:59   (  80.29, 104.14) 01/19/2019   02:16:26  (  80.28, 104.09)    1.02                27
 01/19/2019   03:07:01   ( -80.28, -88.63) 01/19/2019   03:07:11  ( -80.29, -88.66)    0.79                10
 01/19/2019   03:58:00   (  80.28,  78.62) 01/19/2019   03:57:56  (  80.29,  78.68)    0.99                 4
 01/19/2019   04:49:02   ( -80.28,-114.14) 01/19/2019   04:48:41  ( -80.29,-114.07)    1.43                21
 01/19/2019   05:40:01   (  80.28,  53.11) 01/19/2019   05:39:26  (  80.29,  53.26)    2.99                35
 01/19/2019   06:31:03   ( -80.28,-139.65) 01/19/2019   06:30:11  ( -80.29,-139.49)    3.25                52
 01/19/2019   07:22:01   (  80.30,  27.92) 01/19/2019   07:20:56  (  80.29,  27.85)    1.73                65