Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 3 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)
 03/12/2021   22:49:09   ( -70.12,  13.95) 03/12/2021   22:50:02  ( -70.13,  13.90)    1.65                53
 03/12/2021   23:39:53   (  70.01,-178.57) 03/12/2021   23:39:29  (  70.03,-178.59)    2.19                24
 03/13/2021   00:30:20   ( -69.13,  -9.97) 03/13/2021   00:29:12  ( -69.20, -12.09)   84.34                68
 03/15/2021   14:15:39   (  71.13, -39.23) 03/15/2021   14:16:45  (  71.03, -36.50)   98.88                66
 03/15/2021   15:06:03   ( -70.09, 129.77) 03/15/2021   15:06:30  ( -70.10, 129.74)    1.40                27
 03/15/2021   15:56:47   (  69.98, -62.75) 03/15/2021   15:55:57  (  69.99, -62.76)    1.44                50
 03/18/2021   06:32:16   (  70.21,  78.05) 03/18/2021   06:33:27  (  70.22,  78.17)    4.59                71
 03/18/2021   07:22:57   ( -70.06,-114.40) 03/18/2021   07:22:58  ( -70.06,-114.43)    1.25                 1
 03/18/2021   08:13:39   (  69.85,  53.23) 03/18/2021   08:12:26  (  69.89,  52.98)   11.11                73
 03/20/2021   22:49:09   (  70.13,-166.04) 03/20/2021   22:49:56  (  70.12,-166.09)    2.07                47
 03/20/2021   23:39:51   ( -70.03,   1.42) 03/20/2021   23:39:26  ( -70.02,   1.39)    2.14                25
 03/23/2021   14:15:35   ( -71.10, 140.86) 03/23/2021   14:16:41  ( -71.00, 143.46)   94.46                66
 03/23/2021   15:06:02   (  70.10, -50.22) 03/23/2021   15:06:22  (  70.13, -50.21)    2.65                20
 03/23/2021   15:56:44   ( -70.00, 117.24) 03/23/2021   15:55:52  ( -70.02, 117.28)    2.62                52