Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 12 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)
 12/07/2021   07:22:40   (  70.07,  65.54) 12/07/2021   07:23:29  (  70.07,  65.60)    2.46                49
 12/07/2021   08:13:21   ( -69.93,-126.94) 12/07/2021   08:12:59  ( -69.96,-126.92)    2.95                22
 12/07/2021   09:03:48   (  68.90,  41.84) 12/07/2021   09:02:42  (  68.96,  39.40)   97.80                66
 12/09/2021   23:39:32   (  70.02,-178.61) 12/09/2021   23:39:59  (  70.00,-178.61)    2.61                27
 12/10/2021   00:30:13   ( -69.89, -11.09) 12/10/2021   00:29:29  ( -69.89, -11.12)    1.67                44
 12/12/2021   15:05:45   ( -70.41, 129.25) 12/12/2021   15:06:56  ( -70.31, 130.07)   32.68                71
 12/12/2021   15:56:23   (  69.98, -62.77) 12/12/2021   15:56:27  (  69.98, -62.75)    0.74                 4
 12/12/2021   16:47:05   ( -69.90, 104.68) 12/12/2021   16:45:57  ( -69.88, 104.73)    3.06                68
 12/15/2021   07:22:31   ( -70.06,-114.41) 12/15/2021   07:23:29  ( -70.07,-114.39)    1.24                58
 12/15/2021   08:13:15   (  69.95,  53.07) 12/15/2021   08:12:56  (  69.96,  53.09)    1.22                19
 12/15/2021   09:03:45   ( -69.22,-138.56) 12/15/2021   09:02:36  ( -69.30,-140.16)   63.72                69
 12/17/2021   23:39:23   ( -70.03,   1.42) 12/17/2021   23:39:58  ( -70.04,   1.45)    1.64                35
 12/18/2021   00:30:07   (  69.92, 168.90) 12/18/2021   00:29:25  (  69.92, 168.93)    1.24                42