Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 12 23.  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)
 12/23/2019   15:05:52   ( -70.09, 129.76) 12/23/2019   15:06:56  ( -70.07, 129.74)    1.82                64
 12/23/2019   15:56:36   (  69.96, -62.74) 12/23/2019   15:56:23  (  69.97, -62.77)    1.30                13
 12/23/2019   16:47:10   ( -69.46, 105.32) 12/23/2019   16:45:59  ( -69.53, 104.26)   42.08                71
 12/26/2019   07:22:48   ( -70.07,-114.44) 12/26/2019   07:23:24  ( -70.04,-114.43)    3.16                36
 12/26/2019   08:13:32   (  69.94,  53.05) 12/26/2019   08:12:51  (  69.93,  53.06)    1.74                41
 12/28/2019   22:49:08   (  70.40,-166.52) 12/28/2019   22:50:19  (  70.32,-165.77)   29.14                71
 12/28/2019   23:39:44   ( -70.00,   1.43) 12/28/2019   23:39:53  ( -70.00,   1.40)    1.27                 9
 12/29/2019   00:30:28   (  69.88, 168.92) 12/29/2019   00:29:20  (  69.89, 168.89)    1.81                68
 12/31/2019   15:05:59   (  70.07, -50.24) 12/31/2019   15:06:52  (  70.06, -50.27)    1.90                53
 12/31/2019   15:56:41   ( -69.98, 117.22) 12/31/2019   15:56:22  ( -69.96, 117.22)    2.24                19
 12/31/2019   16:47:10   (  69.07, -74.15) 12/31/2019   16:46:03  (  69.07, -76.33)   86.84                67
 01/03/2020   07:22:56   (  70.06,  65.55) 01/03/2020   07:23:20  (  70.07,  65.62)    2.88                24
 01/03/2020   08:13:37   ( -69.91,-126.91) 01/03/2020   08:12:51  ( -69.91,-126.96)    1.89                46
 01/05/2020   22:49:09   ( -70.21,  13.77) 01/05/2020   22:50:20  ( -70.19,  14.03)   10.23                71
 01/05/2020   23:39:51   (  70.00,-178.59) 01/05/2020   23:39:48  (  70.01,-178.57)    1.73                 3
 01/06/2020   00:30:32   ( -69.85, -11.05) 01/06/2020   00:29:19  ( -69.86, -11.15)    4.33                73