Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 12 10.  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)
 12/10/2019   07:22:43   ( -70.08,-114.45) 12/10/2019   07:23:27  ( -70.06,-114.40)    2.42                44
 12/10/2019   08:13:27   (  69.95,  53.05) 12/10/2019   08:12:54  (  69.95,  53.10)    1.70                33
 12/12/2019   22:49:08   (  70.79,-167.12) 12/12/2019   22:50:16  (  70.70,-165.21)   70.80                68
 12/12/2019   23:39:37   ( -70.02,   1.41) 12/12/2019   23:39:57  ( -69.99,   1.39)    3.29                20
 12/13/2019   00:30:21   (  69.90, 168.90) 12/13/2019   00:29:24  (  69.89, 168.88)    1.82                57
 12/15/2019   15:05:50   (  70.11, -50.27) 12/15/2019   15:06:56  (  70.08, -50.24)    3.02                66
 12/15/2019   15:56:31   ( -69.97, 117.26) 12/15/2019   15:56:26  ( -69.98, 117.25)    1.12                 5
 12/15/2019   16:47:09   (  69.53, -74.78) 12/15/2019   16:45:58  (  69.59, -75.65)   34.26                71
 12/18/2019   07:22:44   (  70.06,  65.58) 12/18/2019   07:23:25  (  70.06,  65.61)    1.09                41
 12/18/2019   08:13:26   ( -69.97,-126.97) 12/18/2019   08:12:55  ( -69.96,-126.90)    2.93                31
 12/20/2019   22:49:07   ( -70.86,  12.77) 12/20/2019   22:50:15  ( -70.75,  14.86)   77.45                68
 12/20/2019   23:39:37   (  70.02,-178.58) 12/20/2019   23:39:53  (  70.04,-178.55)    2.48                16
 12/21/2019   00:30:19   ( -69.93, -11.12) 12/21/2019   00:29:23  ( -69.94, -11.05)    3.02                56
 12/23/2019   15:05:47   ( -70.08, 129.79) 12/23/2019   15:06:56  ( -70.07, 129.74)    2.16                69
 12/23/2019   15:56:31   (  69.97, -62.73) 12/23/2019   15:56:23  (  69.95, -62.78)    2.90                 8
 12/23/2019   16:47:08   ( -69.61, 105.12) 12/23/2019   16:45:56  ( -69.69, 104.49)   25.85                72