Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 9 7.  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)
 09/07/2019   23:39:23   ( -70.06,   1.44) 09/07/2019   23:39:51  ( -70.06,   1.51)    2.96                28
 09/08/2019   00:30:06   (  69.89, 169.00) 09/08/2019   00:29:19  (  69.89, 168.93)    2.95                47
 09/10/2019   15:05:39   (  70.24, -50.39) 09/10/2019   15:06:50  (  70.20, -50.04)   14.21                71
 09/10/2019   15:56:18   ( -69.99, 117.31) 09/10/2019   15:56:22  ( -69.98, 117.29)    1.13                 4
 09/10/2019   16:47:02   (  69.87, -75.21) 09/10/2019   16:45:49  (  69.87, -75.22)    0.51                73
 09/13/2019   07:22:31   (  70.07,  65.63) 09/13/2019   07:23:21  (  70.06,  65.65)    1.07                50
 09/13/2019   08:13:13   ( -69.97,-126.90) 09/13/2019   08:12:51  ( -69.96,-126.86)    2.21                22
 09/13/2019   09:03:40   (  68.96,  41.87) 09/13/2019   09:02:34  (  68.96,  39.45)   96.60                66
 09/15/2019   23:39:26   (  70.01,-178.51) 09/15/2019   23:39:51  (  70.04,-178.50)    3.50                25
 09/16/2019   00:30:08   ( -69.91, -11.04) 09/16/2019   00:29:22  ( -69.88, -11.09)    3.16                46
 09/18/2019   15:05:41   ( -70.26, 129.56) 09/18/2019   15:06:53  ( -70.19, 129.94)   16.67                72
 09/18/2019   15:56:21   (  69.95, -62.65) 09/18/2019   15:56:22  (  69.96, -62.73)    3.41                 1
 09/18/2019   16:47:03   ( -69.84, 104.82) 09/18/2019   16:45:52  ( -69.86, 104.76)    3.03                71