Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 12 8.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2018   22:48:50   (  70.18,-166.16) 12/09/2018   22:50:01  (  70.14,-166.03)    6.61                71
 12/09/2018   23:39:30   ( -69.99,   1.45) 12/09/2018   23:39:32  ( -69.98,   1.38)    3.07                 2
 12/10/2018   00:30:12   (  69.76, 169.10) 12/10/2018   00:29:00  (  69.81, 168.79)   13.06                72
 12/12/2018   15:05:42   (  70.06, -50.19) 12/12/2018   15:06:31  (  70.06, -50.26)    2.77                49
 12/12/2018   15:56:24   ( -69.97, 117.26) 12/12/2018   15:56:01  ( -69.95, 117.22)    2.31                23
 12/15/2018   07:22:36   (  70.04,  65.61) 12/15/2018   07:23:00  (  70.03,  65.58)    2.09                24
 12/15/2018   08:13:18   ( -69.95,-126.93) 12/15/2018   08:12:30  ( -69.92,-126.93)    2.69                48
 12/17/2018   22:48:49   ( -70.29,  13.70) 12/17/2018   22:50:00  ( -70.22,  14.09)   16.76                71
 12/17/2018   23:39:29   (  70.02,-178.58) 12/17/2018   23:39:28  (  69.99,-178.59)    3.51                 1
 12/18/2018   00:30:10   ( -69.88, -11.04) 12/18/2018   00:28:58  ( -69.89, -11.09)    2.73                72
 12/20/2018   15:05:38   ( -70.06, 129.83) 12/20/2018   15:06:30  ( -70.07, 129.77)    2.70                52
 12/20/2018   15:56:22   (  69.96, -62.70) 12/20/2018   15:55:57  (  69.96, -62.75)    1.92                25