Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 10 15.  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   (  70.01, -50.29) 10/17/2021   15:07:05  (  70.01, -50.35)    2.23                46
 10/17/2021   15:57:01   ( -69.91, 117.17) 10/17/2021   15:56:35  ( -69.90, 117.12)    2.61                26
 10/20/2021   07:23:12   (  69.96,  65.55) 10/20/2021   07:23:35  (  69.97,  65.48)    3.16                23
 10/20/2021   08:13:54   ( -69.87,-126.98) 10/20/2021   08:13:05  ( -69.86,-127.04)    2.26                49
 10/22/2021   22:49:24   ( -70.18,  13.69) 10/22/2021   22:50:36  ( -70.15,  13.96)   11.10                72
 10/22/2021   23:40:06   (  69.97,-178.69) 10/22/2021   23:40:04  (  69.99,-178.62)    2.90                 2
 10/23/2021   00:30:46   ( -69.82, -11.14) 10/23/2021   00:29:34  ( -69.82, -11.22)    2.96                72
 10/25/2021   15:06:14   ( -70.03, 129.69) 10/25/2021   15:07:06  ( -70.05, 129.70)    1.37                52
 10/25/2021   15:56:58   (  69.93, -62.85) 10/25/2021   15:56:33  (  69.94, -62.81)    1.57                25
 10/25/2021   16:47:24   ( -68.98, 105.83) 10/25/2021   16:46:17  ( -69.06, 103.64)   87.58                67
 10/28/2021   07:23:07   ( -70.00,-114.48) 10/28/2021   07:23:36  ( -69.99,-114.49)    0.68                29
 10/28/2021   08:13:51   (  69.90,  52.98) 10/28/2021   08:13:03  (  69.88,  52.99)    1.91                48