Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 4.  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)
 10/04/2018   06:32:10   (  70.52,  77.47) 10/04/2018   06:33:20  (  70.39,  78.48)   39.83                70
 10/04/2018   07:22:44   ( -70.00,-114.41) 10/04/2018   07:22:55  ( -70.01,-114.45)    1.43                11
 10/04/2018   08:13:28   (  69.89,  53.07) 10/04/2018   08:12:22  (  69.90,  53.06)    2.01                66
 10/06/2018   22:48:57   (  70.07,-166.07) 10/06/2018   22:49:56  (  70.08,-166.10)    1.24                59
 10/06/2018   23:39:39   ( -69.98,   1.39) 10/06/2018   23:39:26  ( -69.97,   1.38)    1.10                13
 10/07/2018   00:30:12   (  69.28, 169.72) 10/07/2018   00:29:03  (  69.31, 168.13)   62.60                69
 10/09/2018   15:05:52   (  70.06, -50.27) 10/09/2018   15:06:27  (  70.04, -50.28)    2.27                35
 10/09/2018   15:56:34   ( -69.96, 117.19) 10/09/2018   15:55:57  ( -69.93, 117.21)    3.28                37
 10/12/2018   06:32:13   ( -70.67,-102.78) 10/12/2018   06:33:22  ( -70.59,-101.23)   57.76                69
 10/12/2018   07:22:46   (  69.99,  65.60) 10/12/2018   07:22:58  (  69.99,  65.53)    2.65                12
 10/12/2018   08:13:28   ( -69.89,-126.93) 10/12/2018   08:12:28  ( -69.89,-126.97)    1.66                60
 10/14/2018   22:48:56   ( -70.08,  13.93) 10/14/2018   22:50:00  ( -70.11,  13.94)    3.35                64
 10/14/2018   23:39:40   (  69.98,-178.60) 10/14/2018   23:39:27  (  70.00,-178.58)    2.57                13
 10/15/2018   00:30:15   ( -69.51, -10.59) 10/15/2018   00:29:03  ( -69.57, -11.54)   37.40                72
 10/17/2018   15:05:51   ( -70.07, 129.72) 10/17/2018   15:06:31  ( -70.06, 129.74)    1.31                40
 10/17/2018   15:56:35   (  69.96, -62.82) 10/17/2018   15:55:58  (  69.94, -62.77)    2.67                37