Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 1 11.  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, -37.69) 01/18/2019   23:44:11  ( -80.26, -37.62)    2.29                71
 01/19/2019   00:33:59   (  80.28, 129.55) 01/19/2019   00:34:56  (  80.27, 129.69)    3.14                57
 01/19/2019   01:25:01   ( -80.28, -63.20) 01/19/2019   01:25:42  ( -80.29, -63.35)    3.14                41
 01/19/2019   02:16:00   (  80.28, 104.03) 01/19/2019   02:16:27  (  80.29, 103.96)    2.18                27
 01/19/2019   03:07:02   ( -80.28, -88.71) 01/19/2019   03:07:12  ( -80.30, -88.76)    2.11                10
 01/19/2019   03:58:01   (  80.28,  78.51) 01/19/2019   03:57:57  (  80.30,  78.55)    2.24                 4
 01/19/2019   04:49:03   ( -80.28,-114.22) 01/19/2019   04:48:42  ( -80.30,-114.17)    2.46                21
 01/19/2019   05:40:01   (  80.30,  53.33) 01/19/2019   05:39:26  (  80.27,  53.45)    3.38                35
 01/19/2019   06:31:03   ( -80.30,-139.40) 01/19/2019   06:30:11  ( -80.28,-139.27)    3.43                52
 01/19/2019   07:22:02   (  80.30,  27.81) 01/19/2019   07:20:57  (  80.30,  27.72)    1.97                65