Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 1 24.  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)
 01/26/2018   15:06:09   (  70.13, -50.24) 01/26/2018   15:06:34  (  70.14, -50.18)    2.65                25
 01/26/2018   15:56:51   ( -70.03, 117.22) 01/26/2018   15:56:04  ( -70.02, 117.29)    2.89                47
 01/29/2018   06:32:21   ( -70.34,-102.11) 01/29/2018   06:33:33  ( -70.26,-101.77)   15.11                72
 01/29/2018   07:23:02   (  70.07,  65.61) 01/29/2018   07:23:02  (  70.05,  65.57)    2.80                 0
 01/29/2018   08:13:44   ( -69.97,-126.92) 01/29/2018   08:12:31  ( -69.99,-126.88)    2.61                73
 01/31/2018   22:49:13   ( -70.17,  13.92) 01/31/2018   22:50:02  ( -70.17,  13.98)    2.51                49
 01/31/2018   23:39:56   (  70.01,-178.53) 01/31/2018   23:39:30  (  70.01,-178.60)    2.80                26
 02/01/2018   00:30:21   ( -69.01,  -9.77) 02/01/2018   00:29:15  ( -69.07, -12.23)   98.01                66
 02/03/2018   14:15:41   (  71.05, -39.05) 02/03/2018   14:16:47  (  70.95, -36.61)   89.39                66
 02/03/2018   15:06:07   ( -70.11, 129.78) 02/03/2018   15:06:30  ( -70.13, 129.81)    2.62                23
 02/03/2018   15:56:51   (  70.00, -62.75) 02/03/2018   15:55:57  (  70.02, -62.70)    2.58                54
 02/06/2018   06:32:20   (  70.20,  78.08) 02/06/2018   06:33:28  (  70.19,  78.15)    2.96                68
 02/06/2018   07:23:02   ( -70.10,-114.45) 02/06/2018   07:22:58  ( -70.09,-114.37)    3.45                 4
 02/06/2018   08:13:41   (  69.73,  53.42) 02/06/2018   08:12:29  (  69.75,  52.81)   23.49                72