Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 10 16.  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,-144.49) 10/27/2018   18:46:15  (  80.40,-144.50)    0.76                73
 10/27/2018   19:36:06   ( -80.40,  22.94) 10/27/2018   19:36:59  ( -80.38,  23.03)    2.90                53
 10/27/2018   20:27:03   (  80.39,-169.98) 10/27/2018   20:27:45  (  80.40,-169.91)    1.63                42
 10/27/2018   21:18:07   ( -80.41,  -2.55) 10/27/2018   21:18:30  ( -80.41,  -2.70)    2.86                23
 10/27/2018   22:09:04   (  80.40, 164.53) 10/27/2018   22:09:15  (  80.41, 164.68)    3.00                11
 10/27/2018   23:00:08   ( -80.41, -28.04) 10/27/2018   23:00:00  ( -80.41, -28.11)    1.59                 8
 10/27/2018   23:51:04   (  80.41, 139.38) 10/27/2018   23:50:45  (  80.41, 139.27)    2.15                19
 10/28/2018   00:42:09   ( -80.41, -53.54) 10/28/2018   00:41:30  ( -80.42, -53.52)    1.30                39
 10/28/2018   01:33:05   (  80.41, 113.89) 10/28/2018   01:32:15  (  80.41, 113.85)    0.70                50
 10/28/2018   02:24:10   ( -80.41, -79.03) 10/28/2018   02:23:00  ( -80.42, -78.94)    2.39                70