Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 10 14.  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   18:45:01   (  80.40,-144.41) 10/27/2018   18:46:14  (  80.39,-144.42)    0.47                73
 10/27/2018   19:36:06   ( -80.39,  22.70) 10/27/2018   19:36:59  ( -80.40,  22.80)    2.20                53
 10/27/2018   20:27:02   (  80.40,-169.90) 10/27/2018   20:27:44  (  80.40,-169.83)    1.25                42
 10/27/2018   21:18:06   ( -80.41,  -2.46) 10/27/2018   21:18:29  ( -80.40,  -2.61)    2.89                23
 10/27/2018   22:09:03   (  80.40, 164.61) 10/27/2018   22:09:14  (  80.40, 164.76)    2.68                11
 10/27/2018   23:00:07   ( -80.41, -27.95) 10/27/2018   22:59:59  ( -80.41, -28.02)    1.33                 8
 10/27/2018   23:51:03   (  80.42, 139.46) 10/27/2018   23:50:44  (  80.40, 139.34)    2.70                19
 10/28/2018   00:42:08   ( -80.41, -53.45) 10/28/2018   00:41:29  ( -80.41, -53.43)    0.25                39
 10/28/2018   01:33:04   (  80.42, 113.97) 10/28/2018   01:32:14  (  80.41, 113.93)    1.54                50
 10/28/2018   02:24:09   ( -80.41, -78.94) 10/28/2018   02:22:59  ( -80.41, -78.85)    1.79                70