Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 3 19.  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)
 03/20/2018   22:49:04   ( -70.11,  13.95) 03/20/2018   22:49:42  ( -70.13,  13.90)    3.15                38
 03/20/2018   23:39:49   (  70.04,-178.63) 03/20/2018   23:39:09  (  70.03,-178.60)    1.84                40
 03/23/2018   14:15:24   (  70.64, -38.43) 03/23/2018   14:16:34  (  70.52, -37.29)   44.19                70
 03/23/2018   15:05:57   ( -70.08, 129.77) 03/23/2018   15:06:10  ( -70.08, 129.71)    2.40                13
 03/23/2018   15:56:41   (  69.96, -62.74) 03/23/2018   15:55:37  (  69.98, -62.80)    2.64                64
 03/26/2018   06:32:10   (  70.20,  78.05) 03/26/2018   06:33:08  (  70.19,  78.10)    2.14                58
 03/26/2018   07:22:51   ( -70.05,-114.42) 03/26/2018   07:22:38  ( -70.08,-114.42)    3.44                13
 03/26/2018   08:13:24   (  69.35,  53.92) 03/26/2018   08:12:15  (  69.42,  52.32)   63.18                69
 03/28/2018   22:49:03   (  70.12,-166.06) 03/28/2018   22:49:37  (  70.13,-166.11)    2.18                34
 03/28/2018   23:39:45   ( -70.03,   1.40) 03/28/2018   23:39:07  ( -70.03,   1.38)    0.75                38
 03/31/2018   14:15:22   ( -70.67, 141.52) 03/31/2018   14:16:32  ( -70.56, 142.75)   47.04                70
 03/31/2018   15:05:57   (  70.09, -50.25) 03/31/2018   15:06:05  (  70.12, -50.25)    2.75                 8
 03/31/2018   15:56:39   ( -70.00, 117.21) 03/31/2018   15:55:35  ( -70.02, 117.24)    2.46                64