Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2017 12 23.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 01/03/2018   14:47:02   ( -80.70,  91.08) 01/03/2018   14:45:58  ( -80.70,  91.03)    1.00                64
 01/03/2018   15:37:45   (  80.70,-101.69) 01/03/2018   15:36:56  (  80.70,-101.65)    0.68                49
 01/03/2018   16:28:30   ( -80.71,  65.57) 01/03/2018   16:27:59  ( -80.70,  65.65)    1.55                31
 01/03/2018   17:19:13   (  80.71,-127.21) 01/03/2018   17:18:57  (  80.70,-127.04)    3.16                16
 01/03/2018   18:09:57   ( -80.69,  40.39) 01/03/2018   18:10:00  ( -80.71,  40.27)    2.60                 3
 01/03/2018   19:00:40   (  80.70,-152.38) 01/03/2018   19:00:58  (  80.71,-152.42)    1.26                18
 01/03/2018   19:51:25   ( -80.70,  14.87) 01/03/2018   19:52:01  ( -80.71,  14.89)    0.98                36
 01/03/2018   20:42:08   (  80.71,-177.90) 01/03/2018   20:42:59  (  80.71,-177.80)    1.78                51