Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 10 18.  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   (  80.40,-144.45) 10/27/2018   18:46:15  (  80.40,-144.48)    0.74                73
 10/27/2018   19:36:07   ( -80.39,  22.64) 10/27/2018   19:37:00  ( -80.41,  22.72)    2.63                53
 10/27/2018   20:27:03   (  80.40,-169.94) 10/27/2018   20:27:45  (  80.40,-169.89)    1.01                42
 10/27/2018   21:18:07   ( -80.41,  -2.51) 10/27/2018   21:18:30  ( -80.41,  -2.69)    3.33                23
 10/27/2018   22:09:04   (  80.40, 164.57) 10/27/2018   22:09:15  (  80.41, 164.69)    2.39                11
 10/27/2018   23:00:08   ( -80.41, -28.01) 10/27/2018   23:00:00  ( -80.41, -28.10)    1.92                 8
 10/27/2018   23:51:04   (  80.42, 139.42) 10/27/2018   23:50:45  (  80.41, 139.28)    2.75                19
 10/28/2018   00:42:09   ( -80.41, -53.50) 10/28/2018   00:41:30  ( -80.42, -53.52)    1.04                39
 10/28/2018   01:33:05   (  80.42, 113.93) 10/28/2018   01:32:15  (  80.41, 113.87)    1.33                50
 10/28/2018   02:24:10   ( -80.41, -79.00) 10/28/2018   02:23:00  ( -80.42, -78.93)    1.79                70