Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 12 11.  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)
 12/12/2018   15:05:43   (  70.08, -50.23) 12/12/2018   15:06:31  (  70.07, -50.24)    1.24                48
 12/12/2018   15:56:24   ( -69.95, 117.29) 12/12/2018   15:56:01  ( -69.96, 117.24)    2.81                23
 12/15/2018   07:22:35   (  70.02,  65.65) 12/15/2018   07:22:59  (  70.04,  65.59)    3.36                24
 12/15/2018   08:13:17   ( -69.93,-126.90) 12/15/2018   08:12:29  ( -69.93,-126.92)    1.06                48
 12/17/2018   22:48:48   ( -70.27,  13.72) 12/17/2018   22:49:59  ( -70.23,  14.10)   15.02                71
 12/17/2018   23:39:29   (  70.00,-178.55) 12/17/2018   23:39:28  (  70.00,-178.57)    0.79                 1
 12/18/2018   00:30:11   ( -69.91, -11.10) 12/18/2018   00:28:58  ( -69.90, -11.09)    1.29                73
 12/20/2018   15:05:39   ( -70.10, 129.77) 12/20/2018   15:06:30  ( -70.08, 129.77)    2.23                51
 12/20/2018   15:56:23   (  69.99, -62.76) 12/20/2018   15:55:57  (  69.97, -62.74)    3.09                26
 12/20/2018   16:46:48   ( -69.00, 106.00) 12/20/2018   16:45:41  ( -69.09, 103.71)   91.53                67
 12/23/2018   07:22:32   ( -70.04,-114.36) 12/23/2018   07:22:59  ( -70.05,-114.40)    1.73                27
 12/23/2018   08:13:16   (  69.93,  53.11) 12/23/2018   08:12:26  (  69.93,  53.08)    1.31                50