Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 10 28.  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)
 10/28/2021   07:23:07   ( -70.01,-114.50) 10/28/2021   07:23:35  ( -70.03,-114.45)    2.58                28
 10/28/2021   08:13:51   (  69.90,  52.98) 10/28/2021   08:13:03  (  69.87,  52.98)    2.50                48
 10/30/2021   22:49:22   (  70.28,-166.45) 10/30/2021   22:50:33  (  70.19,-165.97)   20.52                71
 10/30/2021   23:40:00   ( -69.97,   1.33) 10/30/2021   23:40:05  ( -69.97,   1.34)    0.83                 5
 10/31/2021   00:30:44   (  69.86, 168.81) 10/31/2021   00:29:32  (  69.86, 168.84)    1.42                72
 11/02/2021   15:06:11   (  70.04, -50.30) 11/02/2021   15:07:04  (  70.06, -50.27)    3.22                53
 11/02/2021   15:56:53   ( -69.94, 117.16) 11/02/2021   15:56:34  ( -69.95, 117.20)    2.23                19
 11/02/2021   16:47:22   (  69.03, -74.22) 11/02/2021   16:46:15  (  69.07, -76.34)   84.06                67
 11/05/2021   07:23:03   (  70.01,  65.52) 11/05/2021   07:23:33  (  69.98,  65.50)    2.88                30
 11/05/2021   08:13:45   ( -69.91,-127.02) 11/05/2021   08:13:03  ( -69.88,-127.02)    3.55                42
 11/07/2021   22:49:19   ( -70.45,  13.30) 11/07/2021   22:50:30  ( -70.34,  14.24)   37.54                71
 11/07/2021   23:39:56   (  69.98,-178.67) 11/07/2021   23:40:02  (  69.95,-178.67)    3.59                 6
 11/08/2021   00:30:37   ( -69.83, -11.12) 11/08/2021   00:29:32  ( -69.85, -11.18)    3.10                65
 11/10/2021   15:06:05   ( -70.06, 129.68) 11/10/2021   15:07:04  ( -70.03, 129.68)    3.65                59
 11/10/2021   15:56:48   (  69.91, -62.78) 11/10/2021   15:56:31  (  69.91, -62.84)    2.34                17
 11/10/2021   16:47:20   ( -69.28, 105.46) 11/10/2021   16:46:10  ( -69.32, 103.99)   58.20                70