Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 4 6.  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)
 04/06/2019   05:42:21   (  71.12,  89.24) 04/06/2019   05:43:27  (  71.05,  91.75)   90.81                66
 04/06/2019   06:32:46   ( -70.15,-101.87) 04/06/2019   06:33:11  ( -70.17,-101.94)    3.42                25
 04/06/2019   07:23:31   (  70.07,  65.55) 04/06/2019   07:22:38  (  70.06,  65.56)    0.92                53
 04/08/2019   21:58:59   (  70.23,-153.56) 04/08/2019   22:00:10  (  70.24,-153.59)    1.31                71
 04/08/2019   22:49:41   ( -70.15,  13.88) 04/08/2019   22:49:40  ( -70.13,  13.89)    2.47                 1
 04/08/2019   23:40:22   (  69.87,-178.38) 04/08/2019   23:39:09  (  69.91,-178.77)   15.86                73
 04/11/2019   14:15:53   (  70.19, -37.73) 04/11/2019   14:16:39  (  70.20, -37.78)    1.82                46
 04/11/2019   15:06:35   ( -70.11, 129.72) 04/11/2019   15:06:09  ( -70.09, 129.71)    2.14                26
 04/14/2019   05:42:20   ( -71.16, -90.84) 04/14/2019   05:43:26  ( -71.08, -88.22)   94.69                66
 04/14/2019   06:32:47   (  70.15,  78.10) 04/14/2019   06:33:08  (  70.15,  78.03)    2.58                21
 04/14/2019   07:23:29   ( -70.06,-114.45) 04/14/2019   07:22:38  ( -70.05,-114.48)    2.56                51
 04/16/2019   21:58:57   ( -70.28,  26.36) 04/16/2019   22:00:08  ( -70.27,  26.44)    3.16                71
 04/16/2019   22:49:41   (  70.17,-166.15) 04/16/2019   22:49:35  (  70.15,-166.08)    3.35                 6
 04/16/2019   23:40:20   ( -69.92,   1.54) 04/16/2019   23:39:07  ( -69.94,   1.25)   11.38                73
 04/19/2019   14:15:50   ( -70.19, 142.28) 04/19/2019   14:16:37  ( -70.22, 142.24)    3.28                47
 04/19/2019   15:06:34   (  70.08, -50.25) 04/19/2019   15:06:04  (  70.10, -50.28)    2.27                30