Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 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)
 10/14/2018   22:48:58   ( -70.10,  13.89) 10/14/2018   22:50:01  ( -70.08,  13.89)    2.75                63
 10/14/2018   23:39:42   (  69.99,-178.63) 10/14/2018   23:39:28  (  69.97,-178.62)    2.30                14
 10/15/2018   00:30:15   ( -69.42, -10.48) 10/15/2018   00:29:05  ( -69.48, -11.66)   46.57                70
 10/17/2018   15:05:52   ( -70.07, 129.71) 10/17/2018   15:06:30  ( -70.08, 129.76)    2.25                38
 10/17/2018   15:56:36   (  69.96, -62.81) 10/17/2018   15:55:57  (  69.96, -62.75)    2.51                39
 10/20/2018   06:32:14   (  70.60,  77.33) 10/20/2018   06:33:24  (  70.50,  78.62)   49.38                70
 10/20/2018   07:22:47   ( -70.03,-114.46) 10/20/2018   07:23:01  ( -70.01,-114.45)    2.03                14
 10/20/2018   08:13:31   (  69.92,  53.01) 10/20/2018   08:12:28  (  69.90,  53.04)    2.68                63
 10/22/2018   22:49:00   (  70.09,-166.10) 10/22/2018   22:50:01  (  70.10,-166.08)    1.01                61
 10/22/2018   23:39:42   ( -69.99,   1.37) 10/22/2018   23:39:31  ( -70.00,   1.41)    1.97                11
 10/23/2018   00:30:16   (  69.35, 169.62) 10/23/2018   00:29:06  (  69.44, 168.29)   52.86                70
 10/25/2018   15:05:55   (  70.05, -50.27) 10/25/2018   15:06:31  (  70.07, -50.23)    3.19                36
 10/25/2018   15:56:37   ( -69.95, 117.20) 10/25/2018   15:56:02  ( -69.92, 117.19)    2.70                35