Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 21.  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)
 10/22/2018   22:48:57   (  70.06,-166.05) 10/22/2018   22:50:02  (  70.08,-166.12)    3.18                65
 10/22/2018   23:39:39   ( -69.98,   1.40) 10/22/2018   23:39:32  ( -69.97,   1.36)    1.92                 7
 10/23/2018   00:30:16   (  69.49, 169.43) 10/23/2018   00:29:05  (  69.53, 168.40)   40.56                71
 10/25/2018   15:05:52   (  70.06, -50.27) 10/25/2018   15:06:32  (  70.07, -50.26)    0.72                40
 10/25/2018   15:56:34   ( -69.97, 117.18) 10/25/2018   15:56:02  ( -69.96, 117.22)    2.10                32
 10/28/2018   06:32:15   ( -70.85,-103.07) 10/28/2018   06:33:23  ( -70.76,-101.01)   76.11                68
 10/28/2018   07:22:45   (  70.00,  65.59) 10/28/2018   07:23:02  (  69.99,  65.52)    2.96                17
 10/28/2018   08:13:27   ( -69.92,-126.96) 10/28/2018   08:12:32  ( -69.89,-127.00)    3.16                55
 10/30/2018   22:48:56   ( -70.12,  13.88) 10/30/2018   22:50:05  ( -70.08,  13.88)    3.67                69
 10/30/2018   23:39:40   (  70.00,-178.64) 10/30/2018   23:39:32  (  69.97,-178.63)    3.52                 8
 10/31/2018   00:30:17   ( -69.65, -10.79) 10/31/2018   00:29:05  ( -69.71, -11.37)   23.36                72
 11/02/2018   15:05:50   ( -70.06, 129.73) 11/02/2018   15:06:35  ( -70.06, 129.72)    0.56                45
 11/02/2018   15:56:34   (  69.95, -62.79) 11/02/2018   15:56:02  (  69.95, -62.79)    0.62                32