Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 12 15.  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)
 12/15/2021   07:22:31   ( -70.08,-114.44) 12/15/2021   07:23:29  ( -70.06,-114.41)    2.03                58
 12/15/2021   08:13:15   (  69.95,  53.06) 12/15/2021   08:12:56  (  69.96,  53.09)    1.28                19
 12/15/2021   09:03:45   ( -69.24,-138.58) 12/15/2021   09:02:36  ( -69.29,-140.18)   63.14                69
 12/17/2021   23:39:23   ( -70.04,   1.40) 12/17/2021   23:39:58  ( -70.04,   1.44)    1.31                35
 12/18/2021   00:30:07   (  69.92, 168.89) 12/18/2021   00:29:25  (  69.93, 168.93)    2.06                42
 12/20/2021   15:05:41   (  70.51, -50.86) 12/20/2021   15:06:51  (  70.45, -49.72)   43.00                70
 12/20/2021   15:56:15   ( -70.00, 117.24) 12/20/2021   15:56:27  ( -70.01, 117.28)    1.58                12
 12/20/2021   16:46:59   (  69.89, -75.27) 12/20/2021   16:45:54  (  69.90, -75.23)    2.29                65
 12/23/2021   07:22:25   (  70.06,  65.63) 12/23/2021   07:23:26  (  70.08,  65.63)    2.64                61
 12/23/2021   08:13:07   ( -69.97,-126.92) 12/23/2021   08:12:56  ( -69.98,-126.89)    1.52                11
 12/23/2021   09:03:41   (  69.32,  41.34) 12/23/2021   09:02:31  (  69.42,  40.00)   53.45                70
 12/25/2021   23:39:16   (  70.03,-178.54) 12/25/2021   23:39:54  (  70.04,-178.55)    1.31                38
 12/26/2021   00:29:58   ( -69.94, -11.09) 12/26/2021   00:29:24  ( -69.94, -11.06)    1.11                34
 12/28/2021   15:05:37   ( -70.79, 128.73) 12/28/2021   15:06:45  ( -70.71, 130.67)   71.87                68
 12/28/2021   15:56:08   (  70.00, -62.71) 12/28/2021   15:56:23  (  69.99, -62.73)    1.12                15
 12/28/2021   16:46:50   ( -69.91, 104.74) 12/28/2021   16:45:53  ( -69.89, 104.76)    1.90                57