Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 9 13.  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)
 09/13/2019   07:22:31   (  70.06,  65.65) 09/13/2019   07:23:23  (  70.06,  65.64)    0.35                52
 09/13/2019   08:13:13   ( -69.97,-126.90) 09/13/2019   08:12:53  ( -69.96,-126.88)    1.79                20
 09/13/2019   09:03:41   (  69.00,  41.80) 09/13/2019   09:02:34  (  69.07,  39.58)   88.98                67
 09/15/2019   23:39:27   (  70.05,-178.57) 09/15/2019   23:39:54  (  70.05,-178.51)    2.40                27
 09/16/2019   00:30:08   ( -69.90, -11.03) 09/16/2019   00:29:25  ( -69.89, -11.10)    2.93                43
 09/18/2019   15:05:44   ( -70.41, 129.32) 09/18/2019   15:06:55  ( -70.32, 130.11)   31.33                71
 09/18/2019   15:56:22   (  69.99, -62.71) 09/18/2019   15:56:26  (  69.99, -62.72)    0.17                 4
 09/18/2019   16:47:04   ( -69.89, 104.75) 09/18/2019   16:45:56  ( -69.89, 104.78)    1.01                68
 09/21/2019   07:22:33   ( -70.09,-114.41) 09/21/2019   07:23:30  ( -70.06,-114.39)    2.90                57
 09/21/2019   08:13:16   (  69.93,  53.14) 09/21/2019   08:12:57  (  69.95,  53.10)    2.78                19
 09/21/2019   09:03:47   ( -69.24,-138.55) 09/21/2019   09:02:37  ( -69.30,-140.15)   63.53                70
 09/23/2019   23:39:28   ( -70.02,   1.45) 09/23/2019   23:40:02  ( -70.03,   1.45)    1.16                34
 09/24/2019   00:30:12   (  69.92, 168.92) 09/24/2019   00:29:29  (  69.92, 168.93)    0.53                43
 09/26/2019   15:05:49   (  70.49, -50.83) 09/26/2019   15:06:59  (  70.39, -49.80)   39.91                70
 09/26/2019   15:56:24   ( -70.02, 117.23) 09/26/2019   15:56:34  ( -70.02, 117.30)    2.59                10
 09/26/2019   16:47:07   (  69.86, -75.23) 09/26/2019   16:46:02  (  69.85, -75.30)    2.92                65