Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 11 9.  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)
 11/10/2021   15:06:05   ( -70.07, 129.67) 11/10/2021   15:07:03  ( -70.06, 129.72)    2.10                58
 11/10/2021   15:56:49   (  69.96, -62.85) 11/10/2021   15:56:30  (  69.95, -62.79)    2.43                19
 11/10/2021   16:47:19   ( -69.23, 105.53) 11/10/2021   16:46:10  ( -69.29, 103.95)   62.64                69
 11/13/2021   07:22:57   ( -70.00,-114.44) 11/13/2021   07:23:32  ( -70.00,-114.47)    1.72                35
 11/13/2021   08:13:41   (  69.89,  53.04) 11/13/2021   08:12:59  (  69.90,  53.02)    1.39                42
 11/15/2021   22:49:14   (  70.44,-166.67) 11/15/2021   22:50:25  (  70.33,-165.76)   36.37                71
 11/15/2021   23:39:49   ( -69.98,   1.37) 11/15/2021   23:39:59  ( -70.00,   1.40)    2.69                10
 11/16/2021   00:30:33   (  69.87, 168.84) 11/16/2021   00:29:26  (  69.89, 168.89)    2.77                67
 11/18/2021   15:06:00   (  70.06, -50.30) 11/18/2021   15:06:58  (  70.03, -50.29)    3.18                58
 11/18/2021   15:56:41   ( -69.91, 117.25) 11/18/2021   15:56:28  ( -69.93, 117.20)    3.07                13
 11/18/2021   16:47:14   (  69.22, -74.44) 11/18/2021   16:46:05  (  69.26, -76.07)   64.35                69
 11/21/2021   07:22:52   (  70.00,  65.58) 11/21/2021   07:23:26  (  70.01,  65.56)    1.28                34
 11/21/2021   08:13:34   ( -69.90,-126.95) 11/21/2021   08:12:56  ( -69.91,-126.95)    1.20                38