Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 11 10.  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)
 11/10/2018   15:05:50   (  70.06, -50.26) 11/10/2018   15:06:34  (  70.08, -50.24)    2.59                44
 11/10/2018   15:56:32   ( -69.98, 117.18) 11/10/2018   15:56:04  ( -69.97, 117.24)    2.52                28
 11/13/2018   06:32:17   ( -71.03,-103.35) 11/13/2018   06:33:23  ( -70.92,-100.76)   94.74                66
 11/13/2018   07:22:44   (  70.02,  65.58) 11/13/2018   07:23:04  (  70.05,  65.59)    3.04                20
 11/13/2018   08:13:26   ( -69.94,-126.98) 11/13/2018   08:12:34  ( -69.94,-126.93)    1.95                52
 11/15/2018   22:48:55   ( -70.15,  13.84) 11/15/2018   22:50:07  ( -70.12,  13.92)    5.06                72
 11/15/2018   23:39:38   (  69.98,-178.59) 11/15/2018   23:39:34  (  70.01,-178.59)    3.03                 4
 11/16/2018   00:30:18   ( -69.79, -10.98) 11/16/2018   00:29:05  ( -69.85, -11.18)    9.83                73
 11/18/2018   15:05:47   ( -70.06, 129.76) 11/18/2018   15:06:36  ( -70.08, 129.75)    1.92                49
 11/18/2018   15:56:31   (  69.94, -62.75) 11/18/2018   15:56:03  (  69.96, -62.77)    2.56                28
 11/21/2018   06:32:16   (  71.00,  76.70) 11/21/2018   06:33:22  (  70.90,  79.22)   91.99                66
 11/21/2018   07:22:41   ( -70.02,-114.40) 11/21/2018   07:23:06  ( -70.03,-114.44)    1.76                25
 11/21/2018   08:13:25   (  69.91,  53.08) 11/21/2018   08:12:33  (  69.92,  53.05)    1.81                52
 11/23/2018   22:48:54   (  70.13,-166.11) 11/23/2018   22:50:05  (  70.14,-166.04)    3.14                71
 11/23/2018   23:39:35   ( -69.98,   1.43) 11/23/2018   23:39:36  ( -69.98,   1.38)    1.95                 1
 11/24/2018   00:30:17   (  69.76, 169.06) 11/24/2018   00:29:04  (  69.81, 168.78)   12.03                73