Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 11 13.  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)
 11/13/2018   06:32:17   ( -71.02,-103.33) 11/13/2018   06:33:23  ( -70.92,-100.75)   94.01                66
 11/13/2018   07:22:44   (  70.00,  65.61) 11/13/2018   07:23:05  (  70.00,  65.53)    3.01                21
 11/13/2018   08:13:25   ( -69.92,-126.96) 11/13/2018   08:12:33  ( -69.95,-126.92)    3.02                52
 11/15/2018   22:48:54   ( -70.14,  13.86) 11/15/2018   22:50:06  ( -70.12,  13.93)    3.32                72
 11/15/2018   23:39:38   (  70.02,-178.64) 11/15/2018   23:39:33  (  70.01,-178.58)    2.41                 5
 11/16/2018   00:30:17   ( -69.78, -10.96) 11/16/2018   00:29:05  ( -69.80, -11.25)   11.17                72
 11/18/2018   15:05:47   ( -70.05, 129.78) 11/18/2018   15:06:36  ( -70.08, 129.74)    3.15                49
 11/18/2018   15:56:32   (  69.98, -62.81) 11/18/2018   15:56:03  (  69.97, -62.77)    2.44                29
 11/21/2018   06:32:16   (  70.99,  76.72) 11/21/2018   06:33:22  (  70.90,  79.21)   91.07                66
 11/21/2018   07:22:41   ( -70.01,-114.39) 11/21/2018   07:23:06  ( -70.03,-114.45)    2.40                25
 11/21/2018   08:13:25   (  69.89,  53.09) 11/21/2018   08:12:33  (  69.91,  53.04)    2.81                52
 11/23/2018   22:48:54   (  70.12,-166.10) 11/23/2018   22:50:05  (  70.13,-166.05)    1.96                71
 11/23/2018   23:39:34   ( -69.98,   1.43) 11/23/2018   23:39:35  ( -69.97,   1.36)    3.05                 1
 11/24/2018   00:30:16   (  69.76, 169.07) 11/24/2018   00:29:03  (  69.80, 168.77)   12.63                73
 11/26/2018   15:05:46   (  70.04, -50.20) 11/26/2018   15:06:34  (  70.07, -50.26)    3.29                48
 11/26/2018   15:56:28   ( -69.95, 117.25) 11/26/2018   15:56:04  ( -69.97, 117.23)    1.95                24