Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 1 22.  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)
 01/23/2018   22:49:14   (  70.13,-166.01) 01/23/2018   22:50:07  (  70.12,-166.09)    3.02                53
 01/23/2018   23:39:56   ( -70.03,   1.45) 01/23/2018   23:39:36  ( -70.06,   1.46)    3.20                20
 01/24/2018   00:30:24   (  69.07, 170.16) 01/24/2018   00:29:18  (  69.13, 167.84)   92.04                66
 01/26/2018   15:06:08   (  70.12, -50.23) 01/26/2018   15:06:34  (  70.09, -50.25)    3.35                26
 01/26/2018   15:56:50   ( -70.02, 117.23) 01/26/2018   15:56:03  ( -70.03, 117.30)    2.53                47
 01/29/2018   06:32:21   ( -70.32,-102.09) 01/29/2018   06:33:33  ( -70.27,-101.76)   13.80                72
 01/29/2018   07:23:02   (  70.06,  65.63) 01/29/2018   07:23:02  (  70.05,  65.57)    2.33                 0
 01/29/2018   08:13:44   ( -69.96,-126.90) 01/29/2018   08:12:32  ( -69.94,-126.95)    2.86                72
 01/31/2018   22:49:13   ( -70.16,  13.94) 01/31/2018   22:50:02  ( -70.17,  13.98)    2.32                49
 01/31/2018   23:39:57   (  70.05,-178.59) 01/31/2018   23:39:29  (  70.06,-178.53)    2.66                28
 02/01/2018   00:30:21   ( -69.00,  -9.75) 02/01/2018   00:29:15  ( -69.07, -12.23)   98.86                66
 02/03/2018   14:15:41   (  71.04, -39.03) 02/03/2018   14:16:47  (  70.94, -36.62)   88.22                66
 02/03/2018   15:06:07   ( -70.09, 129.80) 02/03/2018   15:06:30  ( -70.12, 129.80)    3.20                23
 02/03/2018   15:56:51   (  69.99, -62.74) 02/03/2018   15:55:57  (  70.01, -62.71)    2.29                54