Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2017 12 25.  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   ( -80.69,  91.14) 01/03/2018   14:45:58  ( -80.70,  91.02)    2.25                64
 01/03/2018   15:37:45   (  80.70,-101.63) 01/03/2018   15:36:56  (  80.70,-101.66)    0.53                49
 01/03/2018   16:28:30   ( -80.70,  65.62) 01/03/2018   16:27:59  ( -80.70,  65.64)    0.30                31
 01/03/2018   17:19:13   (  80.71,-127.15) 01/03/2018   17:18:57  (  80.70,-127.04)    1.95                16
 01/03/2018   18:09:58   ( -80.71,  40.10) 01/03/2018   18:10:00  ( -80.71,  40.26)    2.84                 2
 01/03/2018   19:00:40   (  80.70,-152.32) 01/03/2018   19:00:58  (  80.71,-152.43)    2.33                18
 01/03/2018   19:51:25   ( -80.70,  14.93) 01/03/2018   19:52:01  ( -80.71,  14.88)    1.51                36
 01/03/2018   20:42:08   (  80.71,-177.84) 01/03/2018   20:42:59  (  80.71,-177.81)    0.96                51