Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 6 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)
 06/22/2019   14:15:43   ( -71.05, 140.90) 06/22/2019   14:16:49  ( -70.93, 143.40)   91.58                66
 06/22/2019   15:06:10   (  70.04, -50.18) 06/22/2019   15:06:30  (  70.06, -50.24)    3.05                20
 06/22/2019   15:56:52   ( -69.96, 117.27) 06/22/2019   15:56:00  ( -69.95, 117.24)    1.46                52
 06/25/2019   06:32:21   ( -70.22,-101.98) 06/25/2019   06:33:33  ( -70.16,-101.86)    7.25                72
 06/25/2019   07:23:04   (  70.05,  65.58) 06/25/2019   07:23:00  (  70.06,  65.63)    2.02                 4
 06/25/2019   08:13:44   ( -69.85,-126.80) 06/25/2019   08:12:31  ( -69.90,-126.96)    7.70                73
 06/27/2019   22:49:13   ( -70.12,  13.95) 06/27/2019   22:50:04  ( -70.10,  13.93)    1.47                51
 06/27/2019   23:39:57   (  70.01,-178.57) 06/27/2019   23:39:31  (  70.00,-178.57)    1.22                26
 06/28/2019   00:30:22   ( -69.01,  -9.82) 06/28/2019   00:29:16  ( -69.06, -12.20)   94.76                66
 06/30/2019   15:06:06   ( -70.07, 129.79) 06/30/2019   15:06:34  ( -70.10, 129.80)    2.84                28
 06/30/2019   15:56:50   (  69.96, -62.74) 06/30/2019   15:56:01  (  69.99, -62.71)    2.66                49
 07/03/2019   06:32:20   (  70.34,  77.84) 07/03/2019   06:33:32  (  70.24,  78.26)   19.16                72
 07/03/2019   07:22:58   ( -70.03,-114.37) 07/03/2019   07:23:04  ( -70.03,-114.41)    1.47                 6
 07/03/2019   08:13:42   (  69.92,  53.10) 07/03/2019   08:12:31  (  69.92,  53.08)    0.96                71