Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 1 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)
 01/23/2018   22:49:14   (  70.16,-166.05) 01/23/2018   22:50:06  (  70.15,-166.05)    0.93                52
 01/23/2018   23:39:55   ( -70.01,   1.48) 01/23/2018   23:39:36  ( -70.03,   1.41)    3.37                19
 01/24/2018   00:30:24   (  69.10, 170.11) 01/24/2018   00:29:17  (  69.16, 167.88)   88.95                67
 01/26/2018   15:06:08   (  70.10, -50.20) 01/26/2018   15:06:34  (  70.11, -50.22)    2.18                26
 01/26/2018   15:56:50   ( -70.00, 117.27) 01/26/2018   15:56:04  ( -70.00, 117.25)    0.58                46
 01/29/2018   06:32:22   ( -70.36,-102.14) 01/29/2018   06:33:33  ( -70.29,-101.73)   17.06                71
 01/29/2018   07:23:03   (  70.09,  65.58) 01/29/2018   07:23:02  (  70.08,  65.61)    1.84                 1
 01/29/2018   08:13:44   ( -69.94,-126.87) 01/29/2018   08:12:32  ( -69.96,-126.91)    3.10                72
 01/31/2018   22:49:13   ( -70.14,  13.97) 01/31/2018   22:50:03  ( -70.14,  13.94)    1.11                50
 01/31/2018   23:39:57   (  70.03,-178.56) 01/31/2018   23:39:30  (  70.03,-178.56)    0.46                27
 02/01/2018   00:30:22   ( -69.03,  -9.80) 02/01/2018   00:29:15  ( -69.10, -12.19)   95.43                67
 02/03/2018   14:15:40   (  71.02, -39.00) 02/03/2018   14:16:47  (  70.92, -36.65)   85.88                67
 02/03/2018   15:06:07   ( -70.13, 129.75) 02/03/2018   15:06:30  ( -70.10, 129.77)    3.29                23
 02/03/2018   15:56:50   (  69.97, -62.71) 02/03/2018   15:55:57  (  69.99, -62.75)    2.40                53
 02/06/2018   06:32:19   (  70.17,  78.13) 02/06/2018   06:33:28  (  70.16,  78.10)    2.16                69
 02/06/2018   07:23:01   ( -70.07,-114.40) 02/06/2018   07:22:58  ( -70.05,-114.42)    1.97                 3
 02/06/2018   08:13:40   (  69.70,  53.46) 02/06/2018   08:12:28  (  69.77,  52.84)   25.41                72