Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 12 9.  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)
 12/09/2018   22:48:50   (  70.17,-166.14) 12/09/2018   22:50:01  (  70.15,-166.02)    5.16                71
 12/09/2018   23:39:31   ( -70.03,   1.39) 12/09/2018   23:39:31  ( -70.04,   1.46)    2.89                 0
 12/10/2018   00:30:13   (  69.80, 169.04) 12/10/2018   00:29:00  (  69.82, 168.80)    9.25                73
 12/12/2018   15:05:43   (  70.10, -50.25) 12/12/2018   15:06:30  (  70.12, -50.18)    3.38                47
 12/12/2018   15:56:24   ( -69.96, 117.28) 12/12/2018   15:56:01  ( -69.95, 117.22)    2.14                23
 12/15/2018   07:22:36   (  70.03,  65.63) 12/15/2018   07:23:00  (  70.02,  65.57)    2.28                24
 12/15/2018   08:13:18   ( -69.94,-126.91) 12/15/2018   08:12:30  ( -69.92,-126.94)    2.30                48
 12/17/2018   22:48:48   ( -70.28,  13.71) 12/17/2018   22:49:59  ( -70.21,  14.07)   15.85                71
 12/17/2018   23:39:29   (  70.01,-178.57) 12/17/2018   23:39:27  (  70.04,-178.52)    3.33                 2
 12/18/2018   00:30:11   ( -69.92, -11.11) 12/18/2018   00:28:57  ( -69.94, -11.03)    3.42                74
 12/20/2018   15:05:39   ( -70.11, 129.76) 12/20/2018   15:06:29  ( -70.11, 129.82)    2.29                50
 12/20/2018   15:56:23   (  70.00, -62.77) 12/20/2018   15:55:56  (  70.00, -62.70)    2.73                27