Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 30.  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)
 10/30/2018   22:48:56   ( -70.10,  13.90) 10/30/2018   22:50:05  ( -70.10,  13.90)    0.21                69
 10/30/2018   23:39:40   (  69.98,-178.60) 10/30/2018   23:39:32  (  70.00,-178.59)    2.43                 8
 10/31/2018   00:30:18   ( -69.69, -10.85) 10/31/2018   00:29:05  ( -69.72, -11.35)   19.73                73
 11/02/2018   15:05:50   ( -70.05, 129.75) 11/02/2018   15:06:35  ( -70.08, 129.75)    2.74                45
 11/02/2018   15:56:34   (  69.93, -62.75) 11/02/2018   15:56:03  (  69.92, -62.83)    3.22                31
 11/05/2018   06:32:16   (  70.88,  76.89) 11/05/2018   06:33:23  (  70.76,  79.00)   77.99                67
 11/05/2018   07:22:44   ( -70.05,-114.48) 11/05/2018   07:23:04  ( -70.04,-114.42)    2.47                20
 11/05/2018   08:13:28   (  69.94,  53.01) 11/05/2018   08:12:31  (  69.94,  53.08)    2.57                57
 11/07/2018   22:48:56   (  70.10,-166.09) 11/07/2018   22:50:04  (  70.11,-166.07)    2.09                68
 11/07/2018   23:39:38   ( -70.01,   1.37) 11/07/2018   23:39:34  ( -70.01,   1.41)    1.48                 4
 11/08/2018   00:30:17   (  69.63, 169.25) 11/08/2018   00:29:05  (  69.68, 168.60)   25.76                72
 11/10/2018   15:05:50   (  70.05, -50.25) 11/10/2018   15:06:34  (  70.07, -50.26)    1.71                44
 11/10/2018   15:56:32   ( -69.96, 117.21) 11/10/2018   15:56:04  ( -69.96, 117.23)    0.63                28