Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 12 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)
 12/23/2018   06:32:14   (  70.76,  77.13) 12/23/2018   06:33:23  (  70.65,  78.83)   63.65                69
 12/23/2018   07:22:44   ( -70.04,-114.41) 12/23/2018   07:23:02  ( -70.05,-114.42)    1.22                18
 12/23/2018   08:13:28   (  69.92,  53.08) 12/23/2018   08:12:29  (  69.94,  53.08)    3.10                59
 12/25/2018   22:48:59   (  70.10,-166.06) 12/25/2018   22:50:03  (  70.11,-166.08)    1.06                64
 12/25/2018   23:39:41   ( -70.01,   1.40) 12/25/2018   23:39:33  ( -70.00,   1.40)    0.85                 8
 12/26/2018   00:30:17   (  69.47, 169.50) 12/26/2018   00:29:07  (  69.51, 168.36)   44.67                70
 12/28/2018   15:05:56   (  70.09, -50.27) 12/28/2018   15:06:34  (  70.08, -50.25)    0.69                38
 12/28/2018   15:56:38   ( -69.99, 117.20) 12/28/2018   15:56:04  ( -69.98, 117.23)    1.68                34
 12/31/2018   06:32:20   ( -70.75,-102.87) 12/31/2018   06:33:29  ( -70.67,-101.16)   63.22                69
 12/31/2018   07:22:53   (  70.07,  65.53) 12/31/2018   07:23:05  (  70.07,  65.60)    2.96                12
 12/31/2018   08:13:34   ( -69.91,-126.92) 12/31/2018   08:12:36  ( -69.91,-126.98)    2.35                58
 01/02/2019   22:49:05   ( -70.15,  13.85) 01/02/2019   22:50:09  ( -70.14,  13.92)    3.30                64
 01/02/2019   23:39:48   (  70.00,-178.60) 01/02/2019   23:39:36  (  70.02,-178.59)    2.65                12
 01/03/2019   00:30:23   ( -69.52, -10.58) 01/03/2019   00:29:12  ( -69.59, -11.55)   38.67                71