Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 1 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)
 01/05/2018   06:32:30   (  70.65,  77.43) 01/05/2018   06:33:40  (  70.54,  78.63)   46.20                70
 01/05/2018   07:23:03   ( -70.09,-114.36) 01/05/2018   07:23:16  ( -70.10,-114.38)    1.47                13
 01/05/2018   08:13:47   (  69.98,  53.12) 01/05/2018   08:12:43  (  70.00,  53.12)    2.21                64
 01/07/2018   22:49:13   (  70.14,-165.99) 01/07/2018   22:50:14  (  70.16,-166.05)    2.41                61
 01/07/2018   23:39:55   ( -70.05,   1.47) 01/07/2018   23:39:44  ( -70.04,   1.42)    1.96                11
 01/08/2018   00:30:29   (  69.41, 169.72) 01/08/2018   00:29:20  (  69.44, 168.24)   57.84                69
 01/10/2018   15:06:07   (  70.16, -50.25) 01/10/2018   15:06:42  (  70.15, -50.18)    3.08                35
 01/10/2018   15:56:48   ( -70.01, 117.30) 01/10/2018   15:56:12  ( -70.04, 117.30)    3.20                36
 01/13/2018   06:32:26   ( -70.75,-102.72) 01/13/2018   06:33:35  ( -70.68,-101.16)   57.82                69
 01/13/2018   07:22:59   (  70.07,  65.66) 01/13/2018   07:23:11  (  70.08,  65.61)    2.09                12
 01/13/2018   08:13:41   ( -69.97,-126.87) 01/13/2018   08:12:41  ( -69.97,-126.91)    1.70                60
 01/15/2018   22:49:09   ( -70.19,  13.95) 01/15/2018   22:50:12  ( -70.17,  13.98)    2.09                63
 01/15/2018   23:39:52   (  70.04,-178.52) 01/15/2018   23:39:39  (  70.06,-178.54)    2.65                13
 01/16/2018   00:30:27   ( -69.56, -10.49) 01/16/2018   00:29:16  ( -69.57, -11.58)   42.29                71