Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 1 25.  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)    2.82                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)   15.15                72
 01/29/2018   07:23:02   (  70.07,  65.61) 01/29/2018   07:23:02  (  70.05,  65.57)    2.59                 0
 01/29/2018   08:13:44   ( -69.97,-126.92) 01/29/2018   08:12:31  ( -69.99,-126.88)    2.70                73
 01/31/2018   22:49:13   ( -70.17,  13.91) 01/31/2018   22:50:02  ( -70.17,  13.98)    2.63                49
 01/31/2018   23:39:56   (  70.01,-178.53) 01/31/2018   23:39:30  (  70.01,-178.60)    2.68                26
 02/01/2018   00:30:21   ( -69.01,  -9.77) 02/01/2018   00:29:15  ( -69.07, -12.23)   97.88                66
 02/03/2018   14:15:41   (  71.05, -39.06) 02/03/2018   14:16:47  (  70.95, -36.60)   89.54                66
 02/03/2018   15:06:07   ( -70.11, 129.77) 02/03/2018   15:06:30  ( -70.13, 129.81)    2.69                23
 02/03/2018   15:56:51   (  70.00, -62.76) 02/03/2018   15:55:57  (  70.02, -62.70)    2.78                54
 02/06/2018   06:32:20   (  70.21,  78.08) 02/06/2018   06:33:28  (  70.19,  78.15)    3.12                68
 02/06/2018   07:23:01   ( -70.05,-114.37) 02/06/2018   07:22:59  ( -70.03,-114.45)    3.55                 2
 02/06/2018   08:13:41   (  69.73,  53.41) 02/06/2018   08:12:29  (  69.75,  52.81)   23.27                72