Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 10 7.  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)
 10/09/2021   15:06:22   ( -70.02, 129.68) 10/09/2021   15:07:05  ( -70.02, 129.67)    0.67                43
 10/09/2021   15:57:06   (  69.91, -62.84) 10/09/2021   15:56:32  (  69.92, -62.83)    1.81                34
 10/12/2021   06:32:47   (  70.79,  76.92) 10/12/2021   06:33:55  (  70.67,  78.86)   72.60                68
 10/12/2021   07:23:16   ( -70.01,-114.53) 10/12/2021   07:23:35  ( -70.01,-114.47)    2.36                19
 10/12/2021   08:13:58   (  69.85,  53.02) 10/12/2021   08:13:02  (  69.85,  52.95)    2.64                56
 10/14/2021   22:49:26   (  70.06,-166.14) 10/14/2021   22:50:35  (  70.04,-166.18)    2.02                69
 10/14/2021   23:40:08   ( -69.96,   1.33) 10/14/2021   23:40:05  ( -69.93,   1.30)    2.84                 3
 10/15/2021   00:30:47   (  69.59, 169.19) 10/15/2021   00:29:35  (  69.66, 168.57)   25.30                72
 10/17/2021   15:06:19   (  70.01, -50.29) 10/17/2021   15:07:05  (  70.01, -50.34)    2.23                46
 10/17/2021   15:57:01   ( -69.90, 117.18) 10/17/2021   15:56:35  ( -69.91, 117.15)    1.55                26
 10/20/2021   07:23:13   (  70.01,  65.48) 10/20/2021   07:23:35  (  69.98,  65.49)    3.32                22
 10/20/2021   08:13:55   ( -69.90,-127.04) 10/20/2021   08:13:05  ( -69.88,-127.02)    3.29                50