Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 27.  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)
 10/28/2018   06:32:16   ( -70.89,-103.13) 10/28/2018   06:33:23  ( -70.78,-100.97)   79.63                67
 10/28/2018   07:22:46   (  70.03,  65.54) 10/28/2018   07:23:02  (  70.03,  65.57)    0.87                16
 10/28/2018   08:13:27   ( -69.90,-126.93) 10/28/2018   08:12:32  ( -69.92,-126.96)    2.49                55
 10/30/2018   22:48:56   ( -70.10,  13.91) 10/30/2018   22:50:05  ( -70.12,  13.92)    1.81                69
 10/30/2018   23:39:40   (  69.98,-178.60) 10/30/2018   23:39:33  (  69.96,-178.66)    3.29                 7
 10/31/2018   00:30:18   ( -69.68, -10.84) 10/31/2018   00:29:05  ( -69.74, -11.33)   19.72                73
 11/02/2018   15:05:50   ( -70.05, 129.76) 11/02/2018   15:06:36  ( -70.04, 129.69)    2.56                46
 11/02/2018   15:56:33   (  69.93, -62.75) 11/02/2018   15:56:02  (  69.94, -62.81)    2.22                31
 11/05/2018   06:32:16   (  70.88,  76.89) 11/05/2018   06:33:23  (  70.78,  79.03)   78.73                67
 11/05/2018   07:22:43   ( -70.00,-114.39) 11/05/2018   07:23:05  ( -70.02,-114.46)    3.41                22
 11/05/2018   08:13:28   (  69.93,  53.01) 11/05/2018   08:12:32  (  69.91,  53.03)    2.91                56
 11/07/2018   22:48:56   (  70.09,-166.08) 11/07/2018   22:50:05  (  70.09,-166.10)    0.82                69
 11/07/2018   23:39:38   ( -70.00,   1.38) 11/07/2018   23:39:35  ( -69.99,   1.38)    1.44                 3
 11/08/2018   00:30:17   (  69.62, 169.25) 11/08/2018   00:29:05  (  69.71, 168.64)   25.48                72