Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 1 15.  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, -37.71) 01/18/2019   23:44:11  ( -80.26, -37.61)    2.64                71
 01/19/2019   00:33:59   (  80.28, 129.54) 01/19/2019   00:34:57  (  80.29, 129.41)    2.77                58
 01/19/2019   01:25:01   ( -80.28, -63.22) 01/19/2019   01:25:42  ( -80.29, -63.33)    2.66                41
 01/19/2019   02:16:00   (  80.28, 104.03) 01/19/2019   02:16:27  (  80.29, 103.99)    1.58                27
 01/19/2019   03:07:02   ( -80.28, -88.73) 01/19/2019   03:07:12  ( -80.30, -88.75)    1.95                10
 01/19/2019   03:58:01   (  80.28,  78.51) 01/19/2019   03:57:57  (  80.29,  78.58)    2.31                 4
 01/19/2019   04:49:03   ( -80.28,-114.24) 01/19/2019   04:48:42  ( -80.30,-114.16)    2.76                21
 01/19/2019   05:40:01   (  80.30,  53.32) 01/19/2019   05:39:27  (  80.30,  53.17)    2.96                34
 01/19/2019   06:31:03   ( -80.30,-139.42) 01/19/2019   06:30:12  ( -80.30,-139.57)    2.89                51
 01/19/2019   07:22:02   (  80.30,  27.81) 01/19/2019   07:20:57  (  80.30,  27.75)    1.17                65