Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 4 19.  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)
 04/19/2018   06:32:00   ( -70.19,-101.93) 04/19/2018   06:32:57  ( -70.17,-101.96)    2.37                57
 04/19/2018   07:22:44   (  70.07,  65.56) 04/19/2018   07:22:24  (  70.07,  65.55)    0.64                20
 04/19/2018   08:13:13   ( -69.29,-125.98) 04/19/2018   08:12:05  ( -69.34,-127.81)   71.91                68
 04/21/2018   22:48:52   ( -70.13,  13.94) 04/21/2018   22:49:24  ( -70.12,  13.86)    2.90                32
 04/21/2018   23:39:36   (  70.01,-178.58) 04/21/2018   23:38:51  (  70.02,-178.64)    2.40                45
 04/24/2018   14:15:08   (  70.43, -38.08) 04/24/2018   14:16:19  (  70.35, -37.56)   21.01                71
 04/24/2018   15:05:46   ( -70.12, 129.72) 04/24/2018   15:05:51  ( -70.13, 129.75)    1.57                 5
 04/24/2018   15:56:30   (  70.01, -62.81) 04/24/2018   15:55:18  (  70.02, -62.76)    2.33                72
 04/27/2018   06:31:57   (  70.17,  78.10) 04/27/2018   06:32:49  (  70.19,  78.08)    2.21                52
 04/27/2018   07:22:39   ( -70.07,-114.43) 04/27/2018   07:22:19  ( -70.08,-114.44)    1.01                20
 04/27/2018   08:13:07   (  69.11,  54.27) 04/27/2018   08:12:00  (  69.19,  52.00)   90.33                67
 04/29/2018   22:48:50   (  70.12,-166.05) 04/29/2018   22:49:17  (  70.13,-166.13)    3.06                27
 04/29/2018   23:39:32   ( -70.02,   1.42) 04/29/2018   23:38:47  ( -70.02,   1.35)    2.60                45
 05/02/2018   14:15:02   ( -70.38, 142.01) 05/02/2018   14:16:14  ( -70.34, 142.41)   16.05                72
 05/02/2018   15:05:43   (  70.13, -50.29) 05/02/2018   15:05:43  (  70.11, -50.27)    1.92                 0
 05/02/2018   15:56:25   ( -70.02, 117.19) 05/02/2018   15:55:13  ( -70.01, 117.22)    1.92                72