Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 3 18.  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)
 03/18/2021   06:32:16   (  70.22,  78.04) 03/18/2021   06:33:28  (  70.17,  78.10)    5.16                72
 03/18/2021   07:22:57   ( -70.08,-114.42) 03/18/2021   07:22:58  ( -70.06,-114.44)    1.91                 1
 03/18/2021   08:13:39   (  69.85,  53.22) 03/18/2021   08:12:26  (  69.90,  52.99)   10.39                73
 03/20/2021   22:49:09   (  70.14,-166.06) 03/20/2021   22:49:57  (  70.16,-166.05)    2.38                48
 03/20/2021   23:39:51   ( -70.05,   1.40) 03/20/2021   23:39:27  ( -70.05,   1.42)    1.06                24
 03/23/2021   15:06:03   (  70.12, -50.24) 03/23/2021   15:06:26  (  70.14, -50.20)    3.18                23
 03/23/2021   15:56:45   ( -70.02, 117.21) 03/23/2021   15:55:56  ( -70.03, 117.28)    2.65                49
 03/26/2021   06:32:15   ( -70.36,-102.16) 03/26/2021   06:33:26  ( -70.28,-101.77)   16.95                71
 03/26/2021   07:22:56   (  70.09,  65.57) 03/26/2021   07:22:54  (  70.12,  65.64)    3.60                 2
 03/26/2021   08:13:37   ( -69.95,-126.89) 03/26/2021   08:12:25  ( -69.96,-126.95)    2.64                72
 03/28/2021   22:49:05   ( -70.13,  13.98) 03/28/2021   22:49:57  ( -70.15,  13.91)    3.28                52
 03/28/2021   23:39:49   (  70.02,-178.54) 03/28/2021   23:39:24  (  70.03,-178.60)    2.54                25
 03/29/2021   00:30:15   ( -69.08,  -9.85) 03/29/2021   00:29:08  ( -69.16, -12.15)   91.52                67
 03/31/2021   15:05:59   ( -70.11, 129.79) 03/31/2021   15:06:26  ( -70.12, 129.75)    1.85                27
 03/31/2021   15:56:43   (  70.01, -62.74) 03/31/2021   15:55:53  (  70.00, -62.78)    1.71                50