Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 9 21.  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)
 09/23/2018   15:05:51   (  70.06, -50.26) 09/23/2018   15:06:19  (  70.05, -50.24)    1.03                28
 09/23/2018   15:56:33   ( -69.96, 117.20) 09/23/2018   15:55:49  ( -69.94, 117.24)    2.57                44
 09/26/2018   06:32:08   ( -70.45,-102.42) 09/26/2018   06:33:19  ( -70.36,-101.57)   33.53                71
 09/26/2018   07:22:45   (  70.03,  65.55) 09/26/2018   07:22:49  (  70.03,  65.61)    2.32                 4
 09/26/2018   08:13:26   ( -69.88,-126.91) 09/26/2018   08:12:20  ( -69.87,-126.98)    3.07                66
 09/28/2018   22:48:56   ( -70.11,  13.88) 09/28/2018   22:49:53  ( -70.12,  13.96)    3.05                57
 09/28/2018   23:39:39   (  69.95,-178.57) 09/28/2018   23:39:21  (  69.95,-178.63)    2.32                18
 09/29/2018   00:30:10   ( -69.27, -10.25) 09/29/2018   00:29:01  ( -69.30, -11.88)   64.15                69
 10/01/2018   15:05:50   ( -70.03, 129.77) 10/01/2018   15:06:25  ( -70.04, 129.73)    1.80                35
 10/01/2018   15:56:34   (  69.93, -62.76) 10/01/2018   15:55:52  (  69.92, -62.79)    1.14                42
 10/04/2018   06:32:10   (  70.48,  77.52) 10/04/2018   06:33:21  (  70.38,  78.47)   36.97                71
 10/04/2018   07:22:45   ( -70.01,-114.42) 10/04/2018   07:22:56  ( -70.01,-114.43)    0.45                11
 10/04/2018   08:13:29   (  69.91,  53.04) 10/04/2018   08:12:23  (  69.89,  53.05)    1.56                66