Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 10 16.  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)
 10/17/2021   15:06:19   (  70.00, -50.28) 10/17/2021   15:07:05  (  70.02, -50.34)    3.03                46
 10/17/2021   15:57:01   ( -69.91, 117.17) 10/17/2021   15:56:35  ( -69.90, 117.13)    1.85                26
 10/20/2021   07:23:13   (  70.01,  65.49) 10/20/2021   07:23:35  (  69.98,  65.49)    2.72                22
 10/20/2021   08:13:54   ( -69.86,-126.98) 10/20/2021   08:13:05  ( -69.87,-127.03)    2.42                49
 10/22/2021   22:49:24   ( -70.23,  13.61) 10/22/2021   22:50:35  ( -70.15,  13.97)   15.75                71
 10/22/2021   23:40:05   (  69.96,-178.67) 10/22/2021   23:40:04  (  69.94,-178.69)    2.71                 1
 10/23/2021   00:30:46   ( -69.81, -11.13) 10/23/2021   00:29:34  ( -69.83, -11.21)    3.47                72
 10/25/2021   15:06:14   ( -70.03, 129.70) 10/25/2021   15:07:06  ( -70.05, 129.71)    3.12                52
 10/25/2021   15:56:58   (  69.92, -62.84) 10/25/2021   15:56:33  (  69.95, -62.80)    2.94                25
 10/25/2021   16:47:25   ( -69.03, 105.77) 10/25/2021   16:46:17  ( -69.07, 103.65)   84.35                68
 10/28/2021   07:23:07   ( -69.99,-114.46) 10/28/2021   07:23:36  ( -70.00,-114.48)    2.15                29
 10/28/2021   08:13:51   (  69.89,  53.00) 10/28/2021   08:13:03  (  69.89,  53.01)    0.81                48