Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 11 16.  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)
 11/18/2018   15:05:47   ( -70.07, 129.75) 11/18/2018   15:06:35  ( -70.09, 129.77)    3.34                48
 11/18/2018   15:56:31   (  69.94, -62.75) 11/18/2018   15:56:03  (  69.93, -62.81)    2.26                28
 11/21/2018   06:32:15   (  70.95,  76.79) 11/21/2018   06:33:22  (  70.85,  79.15)   86.67                67
 11/21/2018   07:22:41   ( -70.03,-114.42) 11/21/2018   07:23:05  ( -70.04,-114.43)    0.95                24
 11/21/2018   08:13:25   (  69.91,  53.08) 11/21/2018   08:12:32  (  69.93,  53.06)    2.28                53
 11/23/2018   22:48:54   (  70.13,-166.12) 11/23/2018   22:50:04  (  70.13,-166.04)    2.79                70
 11/23/2018   23:39:35   ( -69.99,   1.41) 11/23/2018   23:39:35  ( -69.97,   1.36)    3.13                 0
 11/24/2018   00:30:16   (  69.72, 169.14) 11/24/2018   00:29:03  (  69.80, 168.77)   17.02                73
 11/26/2018   15:05:47   (  70.05, -50.21) 11/26/2018   15:06:34  (  70.06, -50.27)    2.12                47
 11/26/2018   15:56:29   ( -69.96, 117.24) 11/26/2018   15:56:04  ( -69.95, 117.22)    0.96                25
 11/29/2018   06:32:14   ( -71.07,-103.40) 11/29/2018   06:33:20  ( -70.96,-100.68)   99.09                66
 11/29/2018   07:22:40   (  70.02,  65.60) 11/29/2018   07:23:02  (  70.03,  65.58)    1.35                22
 11/29/2018   08:13:22   ( -69.93,-126.94) 11/29/2018   08:12:32  ( -69.93,-126.93)    0.35                50