Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 9 6.  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)
 09/07/2019   23:39:22   ( -70.04,   1.47) 09/07/2019   23:39:51  ( -70.01,   1.46)    2.46                29
 09/08/2019   00:30:06   (  69.92, 168.96) 09/08/2019   00:29:18  (  69.91, 168.95)    1.32                48
 09/10/2019   15:05:38   (  70.22, -50.36) 09/10/2019   15:06:49  (  70.20, -50.04)   12.34                71
 09/10/2019   15:56:17   ( -69.96, 117.34) 09/10/2019   15:56:21  ( -69.98, 117.29)    2.79                 4
 09/10/2019   16:47:01   (  69.85, -75.18) 09/10/2019   16:45:48  (  69.87, -75.22)    2.83                73
 09/13/2019   07:22:31   (  70.05,  65.67) 09/13/2019   07:23:21  (  70.05,  65.63)    1.35                50
 09/13/2019   08:13:13   ( -69.95,-126.87) 09/13/2019   08:12:51  ( -69.95,-126.88)    0.40                22
 09/13/2019   09:03:40   (  68.93,  41.90) 09/13/2019   09:02:34  (  68.95,  39.43)   98.62                66
 09/15/2019   23:39:27   (  70.04,-178.55) 09/15/2019   23:39:51  (  70.01,-178.54)    3.09                24
 09/16/2019   00:30:09   ( -69.93, -11.08) 09/16/2019   00:29:21  ( -69.91, -11.05)    3.10                48
 09/18/2019   15:05:40   ( -70.23, 129.60) 09/18/2019   15:06:51  ( -70.19, 129.95)   14.14                71
 09/18/2019   15:56:21   (  69.97, -62.69) 09/18/2019   15:56:20  (  69.96, -62.72)    1.58                 1
 09/18/2019   16:47:03   ( -69.87, 104.78) 09/18/2019   16:45:50  ( -69.87, 104.77)    0.42                73