Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 1 22.  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)
 01/24/2018   18:19:27   (  80.61,-143.75) 01/24/2018   18:20:37  (  80.63,-141.63)   38.40                70
 01/24/2018   19:10:29   ( -80.67,  25.00) 01/24/2018   19:11:24  ( -80.68,  24.86)    2.76                55
 01/24/2018   20:01:24   (  80.67,-167.72) 01/24/2018   20:02:09  (  80.68,-167.74)    0.75                45
 01/24/2018   20:52:30   ( -80.68,  -0.39) 01/24/2018   20:52:54  ( -80.69,  -0.56)    3.28                24
 01/24/2018   21:43:25   (  80.68, 166.88) 01/24/2018   21:43:39  (  80.68, 166.83)    1.08                14
 01/24/2018   22:34:31   ( -80.68, -25.78) 01/24/2018   22:34:23  ( -80.67, -25.65)    2.80                 8
 01/24/2018   23:25:26   (  80.68, 141.49) 01/24/2018   23:25:09  (  80.68, 141.41)    1.60                17
 01/25/2018   00:16:32   ( -80.68, -51.17) 01/25/2018   00:15:53  ( -80.67, -51.07)    2.34                39
 01/25/2018   01:07:27   (  80.68, 116.10) 01/25/2018   01:06:39  (  80.69, 115.98)    2.19                48