Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 12 13.  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)    2.02                58
 12/15/2021   08:13:15   (  69.96,  53.05) 12/15/2021   08:12:56  (  69.95,  53.09)    1.22                19
 12/15/2021   09:03:45   ( -69.24,-138.58) 12/15/2021   09:02:36  ( -69.30,-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)    1.41                35
 12/18/2021   00:30:07   (  69.92, 168.89) 12/18/2021   00:29:25  (  69.93, 168.93)    1.85                42
 12/20/2021   15:05:41   (  70.51, -50.87) 12/20/2021   15:06:51  (  70.45, -49.72)   43.34                70
 12/20/2021   15:56:15   ( -70.01, 117.24) 12/20/2021   15:56:27  ( -70.01, 117.29)    1.88                12
 12/20/2021   16:46:59   (  69.89, -75.28) 12/20/2021   16:45:54  (  69.90, -75.23)    2.26                65
 12/23/2021   07:22:25   (  70.06,  65.62) 12/23/2021   07:23:26  (  70.08,  65.63)    2.34                61
 12/23/2021   08:13:07   ( -69.97,-126.93) 12/23/2021   08:12:56  ( -69.98,-126.88)    2.06                11
 12/23/2021   09:03:41   (  69.33,  41.33) 12/23/2021   09:02:31  (  69.43,  40.01)   52.84                70
 12/25/2021   23:39:16   (  70.04,-178.55) 12/25/2021   23:39:54  (  70.05,-178.54)    1.14                38
 12/26/2021   00:29:58   ( -69.95, -11.10) 12/26/2021   00:29:24  ( -69.95, -11.05)    1.97                34