Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 12.  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)
 01/13/2021   06:32:33   (  70.78,  77.04) 01/13/2021   06:33:41  (  70.69,  78.88)   68.40                68
 01/13/2021   07:23:02   ( -70.01,-114.43) 01/13/2021   07:23:21  ( -70.02,-114.45)    1.74                19
 01/13/2021   08:13:47   (  69.94,  52.99) 01/13/2021   08:12:48  (  69.92,  53.05)    3.13                59
 01/15/2021   22:49:15   (  70.07,-166.07) 01/15/2021   22:50:20  (  70.06,-166.15)    3.07                65
 01/15/2021   23:39:57   ( -69.99,   1.38) 01/15/2021   23:39:49  ( -70.01,   1.41)    2.50                 8
 01/16/2021   00:30:34   (  69.49, 169.42) 01/16/2021   00:29:23  (  69.51, 168.37)   40.63                71
 01/18/2021   15:06:09   (  70.05, -50.27) 01/18/2021   15:06:47  (  70.04, -50.30)    2.00                38
 01/18/2021   15:56:51   ( -69.96, 117.19) 01/18/2021   15:56:16  ( -69.98, 117.26)    3.58                35
 01/21/2021   06:32:30   ( -70.67,-102.78) 01/21/2021   06:33:39  ( -70.61,-101.23)   57.63                69
 01/21/2021   07:23:04   (  70.04,  65.53) 01/21/2021   07:23:15  (  70.01,  65.54)    3.10                11
 01/21/2021   08:13:45   ( -69.89,-126.93) 01/21/2021   08:12:45  ( -69.90,-126.97)    2.16                60
 01/23/2021   22:49:14   ( -70.08,  13.94) 01/23/2021   22:50:16  ( -70.09,  13.89)    2.02                62
 01/23/2021   23:39:58   (  69.97,-178.59) 01/23/2021   23:39:43  (  69.97,-178.62)    1.39                15
 01/24/2021   00:30:31   ( -69.39, -10.43) 01/24/2021   00:29:21  ( -69.43, -11.73)   51.20                70