Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 11.  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   06:32:13   ( -70.74,-102.89) 10/12/2018   06:33:21  ( -70.64,-101.17)   64.42                68
 10/12/2018   07:22:45   (  70.00,  65.59) 10/12/2018   07:22:58  (  69.99,  65.52)    2.90                13
 10/12/2018   08:13:27   ( -69.91,-126.95) 10/12/2018   08:12:28  ( -69.88,-126.99)    3.20                59
 10/14/2018   22:48:56   ( -70.11,  13.88) 10/14/2018   22:50:01  ( -70.11,  13.94)    2.12                65
 10/14/2018   23:39:40   (  70.00,-178.64) 10/14/2018   23:39:28  (  70.00,-178.58)    2.44                12
 10/15/2018   00:30:15   ( -69.54, -10.64) 10/15/2018   00:29:03  ( -69.63, -11.47)   33.56                72
 10/17/2018   15:05:50   ( -70.07, 129.73) 10/17/2018   15:06:32  ( -70.07, 129.76)    1.50                42
 10/17/2018   15:56:34   (  69.96, -62.80) 10/17/2018   15:55:59  (  69.96, -62.76)    1.51                35
 10/20/2018   06:32:14   (  70.80,  77.01) 10/20/2018   06:33:22  (  70.68,  78.89)   70.20                68
 10/20/2018   07:22:43   ( -70.02,-114.43) 10/20/2018   07:23:02  ( -70.03,-114.42)    1.27                19
 10/20/2018   08:13:27   (  69.91,  53.04) 10/20/2018   08:12:29  (  69.92,  53.06)    0.67                58
 10/22/2018   22:48:55   (  70.08,-166.07) 10/22/2018   22:50:03  (  70.08,-166.11)    1.58                68
 10/22/2018   23:39:37   ( -69.98,   1.40) 10/22/2018   23:39:33  ( -69.99,   1.39)    0.87                 4
 10/23/2018   00:30:16   (  69.61, 169.26) 10/23/2018   00:29:04  (  69.65, 168.57)   27.34                72