Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 10 23.  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)
 10/27/2018   18:45:02   (  80.39,-144.59) 10/27/2018   18:46:15  (  80.40,-144.56)    1.96                73
 10/27/2018   19:36:06   ( -80.40,  22.81) 10/27/2018   19:36:59  ( -80.39,  22.93)    2.29                53
 10/27/2018   20:27:03   (  80.39,-170.08) 10/27/2018   20:27:45  (  80.41,-169.97)    2.87                42
 10/27/2018   21:18:07   ( -80.40,  -2.69) 10/27/2018   21:18:30  ( -80.42,  -2.81)    3.31                23
 10/27/2018   22:09:03   (  80.41, 164.77) 10/27/2018   22:09:15  (  80.41, 164.61)    2.94                12
 10/27/2018   23:00:07   ( -80.42, -27.84) 10/27/2018   22:59:59  ( -80.40, -27.90)    2.31                 8
 10/27/2018   23:51:04   (  80.41, 139.28) 10/27/2018   23:50:45  (  80.41, 139.20)    1.60                19
 10/28/2018   00:42:08   ( -80.42, -53.34) 10/28/2018   00:41:29  ( -80.40, -53.31)    1.90                39
 10/28/2018   01:33:05   (  80.41, 113.79) 10/28/2018   01:32:15  (  80.42, 113.79)    0.90                50
 10/28/2018   02:24:09   ( -80.42, -78.83) 10/28/2018   02:22:59  ( -80.40, -78.72)    2.60                70