Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2020 12 28.  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)
 12/28/2020   07:23:00   ( -70.00,-114.42) 12/28/2020   07:23:28  ( -70.00,-114.49)    2.77                28
 12/28/2020   08:13:45   (  69.93,  53.00) 12/28/2020   08:12:55  (  69.90,  53.00)    3.51                50
 12/30/2020   22:49:15   (  70.16,-166.20) 12/30/2020   22:50:26  (  70.13,-166.07)    6.00                71
 12/30/2020   23:39:55   ( -69.97,   1.40) 12/30/2020   23:39:57  ( -69.96,   1.33)    2.86                 2
 12/31/2020   00:30:38   (  69.79, 168.98) 12/31/2020   00:29:25  (  69.80, 168.75)    8.79                73
 01/02/2021   15:06:08   (  70.07, -50.30) 01/02/2021   15:06:54  (  70.08, -50.26)    1.78                46
 01/02/2021   15:56:50   ( -69.99, 117.15) 01/02/2021   15:56:24  ( -69.97, 117.22)    3.38                26
 01/05/2021   06:32:36   ( -71.05,-103.41) 01/05/2021   06:33:42  ( -70.90,-100.80)   95.95                66
 01/05/2021   07:23:03   (  70.04,  65.52) 01/05/2021   07:23:23  (  70.02,  65.55)    2.55                20
 01/05/2021   08:13:44   ( -69.90,-126.95) 01/05/2021   08:12:53  ( -69.92,-126.97)    2.09                51
 01/07/2021   22:49:13   ( -70.07,  13.93) 01/07/2021   22:50:25  ( -70.08,  13.86)    2.59                72
 01/07/2021   23:39:57   (  69.96,-178.59) 01/07/2021   23:39:52  (  69.96,-178.66)    2.50                 5
 01/08/2021   00:30:36   ( -69.71, -10.90) 01/08/2021   00:29:24  ( -69.75, -11.32)   16.71                72
 01/10/2021   15:06:08   ( -70.05, 129.75) 01/10/2021   15:06:53  ( -70.07, 129.73)    2.42                45
 01/10/2021   15:56:52   (  69.94, -62.78) 01/10/2021   15:56:20  (  69.95, -62.79)    1.63                32