Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 1 9.  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, -37.70) 01/18/2019   23:44:11  ( -80.26, -37.60)    2.67                71
 01/19/2019   00:33:59   (  80.28, 129.52) 01/19/2019   00:34:57  (  80.29, 129.37)    3.10                58
 01/19/2019   01:25:01   ( -80.28, -63.21) 01/19/2019   01:25:42  ( -80.29, -63.33)    2.66                41
 01/19/2019   02:16:00   (  80.28, 104.00) 01/19/2019   02:16:27  (  80.30, 103.96)    2.05                27
 01/19/2019   03:07:02   ( -80.28, -88.72) 01/19/2019   03:07:12  ( -80.30, -88.74)    1.84                10
 01/19/2019   03:58:01   (  80.28,  78.48) 01/19/2019   03:57:57  (  80.30,  78.54)    2.60                 4
 01/19/2019   04:49:03   ( -80.28,-114.23) 01/19/2019   04:48:42  ( -80.30,-114.16)    2.60                21
 01/19/2019   05:40:01   (  80.30,  53.30) 01/19/2019   05:39:27  (  80.30,  53.13)    3.20                34
 01/19/2019   06:31:03   ( -80.30,-139.41) 01/19/2019   06:30:12  ( -80.30,-139.57)    2.98                51
 01/19/2019   07:22:02   (  80.30,  27.78) 01/19/2019   07:20:57  (  80.30,  27.72)    1.59                65