Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 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)
 10/12/2018   06:32:12   ( -70.66,-102.76) 10/12/2018   06:33:22  ( -70.55,-101.30)   55.55                70
 10/12/2018   07:22:46   (  70.02,  65.55) 10/12/2018   07:22:57  (  70.01,  65.56)    1.34                11
 10/12/2018   08:13:27   ( -69.88,-126.92) 10/12/2018   08:12:27  ( -69.90,-126.96)    2.98                60
 10/14/2018   22:48:56   ( -70.07,  13.94) 10/14/2018   22:50:01  ( -70.07,  13.88)    2.52                65
 10/14/2018   23:39:40   (  69.96,-178.58) 10/14/2018   23:39:28  (  69.96,-178.63)    2.14                12
 10/15/2018   00:30:15   ( -69.50, -10.58) 10/15/2018   00:29:04  ( -69.53, -11.60)   39.89                71
 10/17/2018   15:05:51   ( -70.06, 129.74) 10/17/2018   15:06:31  ( -70.07, 129.76)    2.17                40
 10/17/2018   15:56:35   (  69.94, -62.79) 10/17/2018   15:55:58  (  69.96, -62.75)    2.46                37
 10/20/2018   06:32:15   (  70.72,  77.15) 10/20/2018   06:33:23  (  70.61,  78.79)   61.75                68
 10/20/2018   07:22:46   ( -70.04,-114.47) 10/20/2018   07:23:02  ( -70.02,-114.44)    2.92                16
 10/20/2018   08:13:29   (  69.88,  53.08) 10/20/2018   08:12:29  (  69.90,  53.04)    3.14                60
 10/22/2018   22:48:57   (  70.07,-166.07) 10/22/2018   22:50:02  (  70.06,-166.14)    3.60                65
 10/22/2018   23:39:39   ( -69.98,   1.40) 10/22/2018   23:39:32  ( -69.96,   1.35)    2.88                 7
 10/23/2018   00:30:15   (  69.44, 169.49) 10/23/2018   00:29:05  (  69.51, 168.38)   44.00                70