Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 9 10.  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)
 09/10/2019   15:05:40   (  70.30, -50.48) 09/10/2019   15:06:51  (  70.20, -50.04)   19.79                71
 09/10/2019   15:56:18   ( -70.00, 117.30) 09/10/2019   15:56:23  ( -69.98, 117.28)    1.63                 5
 09/10/2019   16:47:02   (  69.88, -75.22) 09/10/2019   16:45:50  (  69.87, -75.22)    0.49                72
 09/13/2019   07:22:31   (  70.07,  65.63) 09/13/2019   07:23:23  (  70.06,  65.64)    1.01                52
 09/13/2019   08:13:13   ( -69.98,-126.91) 09/13/2019   08:12:53  ( -69.96,-126.87)    2.53                20
 09/13/2019   09:03:41   (  69.01,  41.79) 09/13/2019   09:02:34  (  69.07,  39.58)   88.16                67
 09/15/2019   23:39:26   (  70.01,-178.51) 09/15/2019   23:39:55  (  70.00,-178.57)    2.74                29
 09/16/2019   00:30:08   ( -69.91, -11.04) 09/16/2019   00:29:25  ( -69.90, -11.08)    1.88                43
 09/18/2019   15:05:44   ( -70.42, 129.32) 09/18/2019   15:06:55  ( -70.34, 130.14)   32.00                71
 09/18/2019   15:56:22   (  69.99, -62.72) 09/18/2019   15:56:26  (  70.01, -62.69)    1.85                 4
 09/18/2019   16:47:04   ( -69.89, 104.75) 09/18/2019   16:45:56  ( -69.91, 104.80)    2.79                68
 09/21/2019   07:22:34   ( -70.09,-114.41) 09/21/2019   07:23:31  ( -70.09,-114.35)    2.32                57
 09/21/2019   08:13:18   (  69.98,  53.06) 09/21/2019   08:12:58  (  69.97,  53.14)    3.11                20
 09/21/2019   09:03:48   ( -69.24,-138.55) 09/21/2019   09:02:39  ( -69.27,-140.19)   64.67                69
 09/23/2019   23:39:28   ( -70.02,   1.46) 09/23/2019   23:40:03  ( -70.02,   1.43)    1.28                35
 09/24/2019   00:30:12   (  69.92, 168.92) 09/24/2019   00:29:30  (  69.90, 168.91)    1.80                42