Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 1 6.  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, -37.74) 01/18/2019   23:44:12  ( -80.29, -37.88)    2.77                72
 01/19/2019   00:33:59   (  80.28, 129.47) 01/19/2019   00:34:57  (  80.29, 129.40)    2.02                58
 01/19/2019   01:25:01   ( -80.28, -63.25) 01/19/2019   01:25:42  ( -80.29, -63.29)    1.51                41
 01/19/2019   02:16:00   (  80.28, 103.95) 01/19/2019   02:16:27  (  80.29, 103.98)    2.07                27
 01/19/2019   03:07:02   ( -80.28, -88.76) 01/19/2019   03:07:12  ( -80.29, -88.71)    2.01                10
 01/19/2019   03:58:01   (  80.27,  78.43) 01/19/2019   03:57:57  (  80.30,  78.57)    3.55                 4
 01/19/2019   04:49:02   ( -80.30,-113.95) 01/19/2019   04:48:42  ( -80.30,-114.12)    3.25                20
 01/19/2019   05:40:01   (  80.29,  53.25) 01/19/2019   05:39:27  (  80.30,  53.16)    1.80                34
 01/19/2019   06:31:03   ( -80.30,-139.46) 01/19/2019   06:30:12  ( -80.30,-139.53)    1.44                51
 01/19/2019   07:22:02   (  80.29,  27.73) 01/19/2019   07:20:57  (  80.30,  27.74)    1.17                65