Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 9 15.  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)
 09/15/2019   23:39:26   (  70.00,-178.49) 09/15/2019   23:39:54  (  70.01,-178.56)    3.12                28
 09/16/2019   00:30:08   ( -69.90, -11.04) 09/16/2019   00:29:24  ( -69.91, -11.07)    1.34                44
 09/18/2019   15:05:43   ( -70.36, 129.40) 09/18/2019   15:06:55  ( -70.25, 130.02)   26.03                72
 09/18/2019   15:56:22   (  69.99, -62.71) 09/18/2019   15:56:25  (  69.98, -62.73)    0.89                 3
 09/18/2019   16:47:04   ( -69.89, 104.75) 09/18/2019   16:45:55  ( -69.88, 104.76)    1.60                69
 09/21/2019   07:22:33   ( -70.09,-114.41) 09/21/2019   07:23:28  ( -70.06,-114.38)    2.66                55
 09/21/2019   08:13:16   (  69.92,  53.15) 09/21/2019   08:12:55  (  69.95,  53.11)    3.30                21
 09/21/2019   09:03:45   ( -69.14,-138.40) 09/21/2019   09:02:37  ( -69.19,-140.29)   74.99                68
 09/23/2019   23:39:28   ( -70.02,   1.46) 09/23/2019   23:39:59  ( -70.04,   1.47)    2.26                31
 09/24/2019   00:30:12   (  69.92, 168.92) 09/24/2019   00:29:26  (  69.93, 168.95)    1.67                46
 09/26/2019   15:05:46   (  70.33, -50.57) 09/26/2019   15:06:58  (  70.23, -50.01)   23.52                72
 09/26/2019   15:56:23   ( -69.96, 117.31) 09/26/2019   15:56:31  ( -69.97, 117.24)    2.93                 8
 09/26/2019   16:47:07   (  69.86, -75.22) 09/26/2019   16:45:58  (  69.85, -75.27)    1.95                69