Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 12 3.  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)
 12/04/2018   15:05:44   ( -70.10, 129.74) 12/04/2018   15:06:34  ( -70.07, 129.74)    3.35                50
 12/04/2018   15:56:28   (  69.97, -62.77) 12/04/2018   15:56:01  (  69.96, -62.76)    1.07                27
 12/04/2018   16:46:53   ( -68.99, 105.97) 12/04/2018   16:45:46  ( -69.02, 103.61)   94.04                67
 12/07/2018   06:32:13   (  71.05,  76.66) 12/07/2018   06:33:19  (  70.91,  79.24)   94.96                66
 12/07/2018   07:22:37   ( -70.02,-114.37) 12/07/2018   07:23:03  ( -70.03,-114.42)    2.87                26
 12/07/2018   08:13:22   (  69.95,  53.04) 12/07/2018   08:12:30  (  69.93,  53.07)    2.72                52
 12/09/2018   22:48:49   (  70.14,-166.09) 12/09/2018   22:50:01  (  70.11,-166.07)    3.44                72
 12/09/2018   23:39:30   ( -69.99,   1.45) 12/09/2018   23:39:31  ( -70.00,   1.41)    1.55                 1
 12/10/2018   00:30:12   (  69.77, 169.09) 12/10/2018   00:28:59  (  69.83, 168.82)   12.22                73
 12/12/2018   15:05:42   (  70.07, -50.20) 12/12/2018   15:06:30  (  70.06, -50.26)    2.14                48
 12/12/2018   15:56:24   ( -69.97, 117.26) 12/12/2018   15:56:00  ( -69.95, 117.23)    2.27                24
 12/15/2018   07:22:36   (  70.05,  65.60) 12/15/2018   07:22:58  (  70.06,  65.63)    1.85                22
 12/15/2018   08:13:18   ( -69.95,-126.93) 12/15/2018   08:12:28  ( -69.96,-126.88)    2.18                50