Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 10 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)
 10/12/2021   06:32:47   (  70.79,  76.91) 10/12/2021   06:33:55  (  70.67,  78.85)   72.61                68
 10/12/2021   07:23:15   ( -69.97,-114.47) 10/12/2021   07:23:35  ( -70.00,-114.49)    3.33                20
 10/12/2021   08:13:59   (  69.85,  53.02) 10/12/2021   08:13:03  (  69.85,  52.94)    2.82                56
 10/14/2021   22:49:26   (  70.06,-166.15) 10/14/2021   22:50:35  (  70.04,-166.19)    2.84                69
 10/14/2021   23:40:08   ( -69.97,   1.31) 10/14/2021   23:40:04  ( -69.98,   1.36)    2.14                 4
 10/15/2021   00:30:47   (  69.59, 169.18) 10/15/2021   00:29:35  (  69.66, 168.56)   25.12                72
 10/17/2021   15:06:19   (  70.01, -50.30) 10/17/2021   15:07:05  (  70.01, -50.35)    2.14                46
 10/17/2021   15:57:01   ( -69.92, 117.17) 10/17/2021   15:56:35  ( -69.89, 117.12)    2.76                26
 10/20/2021   07:23:12   (  69.97,  65.55) 10/20/2021   07:23:35  (  69.97,  65.48)    2.79                23
 10/20/2021   08:13:54   ( -69.87,-126.99) 10/20/2021   08:13:05  ( -69.86,-127.04)    2.30                49
 10/22/2021   22:49:24   ( -70.18,  13.68) 10/22/2021   22:50:36  ( -70.14,  13.96)   11.22                72
 10/22/2021   23:40:06   (  69.98,-178.69) 10/22/2021   23:40:04  (  69.98,-178.63)    2.45                 2
 10/23/2021   00:30:48   ( -69.87, -11.22) 10/23/2021   00:29:34  ( -69.87, -11.14)    2.96                74
 10/25/2021   15:06:14   ( -70.04, 129.69) 10/25/2021   15:07:06  ( -70.04, 129.69)    0.80                52
 10/25/2021   15:56:58   (  69.94, -62.86) 10/25/2021   15:56:33  (  69.93, -62.82)    1.63                25