Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 14.  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)
 10/14/2018   22:48:56   ( -70.09,  13.91) 10/14/2018   22:50:00  ( -70.11,  13.93)    2.22                64
 10/14/2018   23:39:40   (  69.97,-178.60) 10/14/2018   23:39:28  (  69.95,-178.65)    3.26                12
 10/15/2018   00:30:15   ( -69.51, -10.60) 10/15/2018   00:29:03  ( -69.57, -11.55)   37.10                72
 10/17/2018   15:05:51   ( -70.08, 129.70) 10/17/2018   15:06:31  ( -70.06, 129.74)    2.30                40
 10/17/2018   15:56:35   (  69.96, -62.81) 10/17/2018   15:55:58  (  69.95, -62.77)    1.90                37
 10/20/2018   06:32:14   (  70.69,  77.20) 10/20/2018   06:33:23  (  70.60,  78.78)   58.91                69
 10/20/2018   07:22:45   ( -70.01,-114.43) 10/20/2018   07:23:02  ( -70.01,-114.46)    1.54                17
 10/20/2018   08:13:29   (  69.90,  53.05) 10/20/2018   08:12:29  (  69.90,  53.03)    0.92                60
 10/22/2018   22:48:58   (  70.10,-166.10) 10/22/2018   22:50:02  (  70.11,-166.07)    1.48                64
 10/22/2018   23:39:40   ( -70.01,   1.36) 10/22/2018   23:39:32  ( -70.00,   1.41)    2.19                 8
 10/23/2018   00:30:16   (  69.47, 169.46) 10/23/2018   00:29:05  (  69.56, 168.45)   40.65                71
 10/25/2018   15:05:51   (  70.04, -50.24) 10/25/2018   15:06:32  (  70.05, -50.28)    1.45                41
 10/25/2018   15:56:33   ( -69.95, 117.22) 10/25/2018   15:56:02  ( -69.94, 117.21)    0.62                31