Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 20.  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)
 10/20/2018   06:32:15   (  70.73,  77.13) 10/20/2018   06:33:23  (  70.61,  78.77)   61.99                68
 10/20/2018   07:22:45   ( -70.01,-114.42) 10/20/2018   07:23:02  ( -70.00,-114.47)    2.06                17
 10/20/2018   08:13:29   (  69.89,  53.07) 10/20/2018   08:12:29  (  69.90,  53.03)    1.95                60
 10/22/2018   22:48:57   (  70.09,-166.09) 10/22/2018   22:50:01  (  70.11,-166.08)    1.70                64
 10/22/2018   23:39:39   ( -70.00,   1.36) 10/22/2018   23:39:31  ( -70.00,   1.40)    1.40                 8
 10/23/2018   00:30:15   (  69.46, 169.47) 10/23/2018   00:29:05  (  69.50, 168.36)   43.63                70
 10/25/2018   15:05:51   (  70.03, -50.23) 10/25/2018   15:06:32  (  70.04, -50.30)    2.89                41
 10/25/2018   15:56:33   ( -69.94, 117.22) 10/25/2018   15:56:02  ( -69.93, 117.18)    2.15                31
 10/28/2018   06:32:16   ( -70.88,-103.11) 10/28/2018   06:33:23  ( -70.78,-100.97)   78.78                67
 10/28/2018   07:22:46   (  70.03,  65.55) 10/28/2018   07:23:02  (  70.02,  65.55)    1.44                16
 10/28/2018   08:13:28   ( -69.94,-127.00) 10/28/2018   08:12:32  ( -69.91,-126.96)    3.04                56
 10/30/2018   22:48:56   ( -70.09,  13.92) 10/30/2018   22:50:05  ( -70.11,  13.91)    2.03                69
 10/30/2018   23:39:40   (  69.98,-178.60) 10/30/2018   23:39:32  (  69.99,-178.61)    1.91                 8
 10/31/2018   00:30:18   ( -69.67, -10.83) 10/31/2018   00:29:05  ( -69.73, -11.34)   20.86                73
 11/02/2018   15:05:50   ( -70.09, 129.70) 11/02/2018   15:06:34  ( -70.08, 129.75)    2.20                44
 11/02/2018   15:56:34   (  69.98, -62.83) 11/02/2018   15:56:01  (  69.97, -62.77)    2.68                33