Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 3 17.  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)
 03/18/2021   06:32:16   (  70.23,  78.02) 03/18/2021   06:33:27  (  70.20,  78.13)    5.75                71
 03/18/2021   07:22:57   ( -70.09,-114.45) 03/18/2021   07:22:57  ( -70.08,-114.40)    1.92                 0
 03/18/2021   08:13:38   (  69.82,  53.28) 03/18/2021   08:12:26  (  69.87,  52.95)   14.04                72
 03/20/2021   22:49:09   (  70.15,-166.08) 03/20/2021   22:49:55  (  70.15,-166.06)    1.12                46
 03/20/2021   23:39:51   ( -70.06,   1.38) 03/20/2021   23:39:25  ( -70.04,   1.42)    3.09                26
 03/23/2021   14:15:35   ( -71.08, 140.89) 03/23/2021   14:16:41  ( -71.03, 143.49)   94.04                66
 03/23/2021   15:06:02   (  70.08, -50.19) 03/23/2021   15:06:23  (  70.10, -50.25)    3.24                21
 03/23/2021   15:56:44   ( -69.98, 117.27) 03/23/2021   15:55:53  ( -69.99, 117.23)    1.69                51
 03/26/2021   06:32:13   ( -70.22,-101.93) 03/26/2021   06:33:23  ( -70.21,-101.85)    3.13                70
 03/26/2021   07:22:56   (  70.06,  65.63) 03/26/2021   07:22:51  (  70.04,  65.55)    3.19                 5
 03/26/2021   08:13:35   ( -69.80,-126.67) 03/26/2021   08:12:22  ( -69.88,-127.04)   16.44                73
 03/28/2021   22:49:05   ( -70.14,  13.96) 03/28/2021   22:49:50  ( -70.15,  13.95)    0.96                45
 03/28/2021   23:39:49   (  70.04,-178.57) 03/28/2021   23:39:17  (  70.03,-178.57)    0.47                32