Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 1 13.  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   ( -80.28, -37.77) 01/18/2019   23:44:11  ( -80.27, -37.67)    2.13                71
 01/19/2019   00:33:59   (  80.28, 129.47) 01/19/2019   00:34:57  (  80.29, 129.34)    3.32                58
 01/19/2019   01:25:01   ( -80.28, -63.28) 01/19/2019   01:25:42  ( -80.30, -63.39)    3.26                41
 01/19/2019   02:16:00   (  80.27, 103.96) 01/19/2019   02:16:27  (  80.30, 103.92)    2.62                27
 01/19/2019   03:07:01   ( -80.29, -88.46) 01/19/2019   03:07:11  ( -80.27, -88.49)    2.32                10
 01/19/2019   03:58:00   (  80.29,  78.77) 01/19/2019   03:57:56  (  80.27,  78.83)    2.39                 4
 01/19/2019   04:49:02   ( -80.29,-113.97) 01/19/2019   04:48:41  ( -80.28,-113.90)    2.24                21
 01/19/2019   05:40:01   (  80.29,  53.25) 01/19/2019   05:39:27  (  80.30,  53.10)    3.21                34
 01/19/2019   06:31:03   ( -80.29,-139.48) 01/19/2019   06:30:12  ( -80.31,-139.63)    3.17                51
 01/19/2019   07:22:02   (  80.29,  27.74) 01/19/2019   07:20:57  (  80.31,  27.68)    1.99                65