Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 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)
 03/18/2018   06:32:10   ( -70.15,-101.88) 03/18/2018   06:33:13  ( -70.17,-101.93)    2.94                63
 03/18/2018   07:22:55   (  70.08,  65.54) 03/18/2018   07:22:40  (  70.07,  65.58)    1.69                15
 03/18/2018   08:13:28   ( -69.52,-126.31) 03/18/2018   08:12:17  ( -69.57,-127.48)   45.63                71
 03/20/2018   22:49:04   ( -70.12,  13.94) 03/20/2018   22:49:42  ( -70.13,  13.89)    2.17                38
 03/20/2018   23:39:48   (  70.00,-178.57) 03/20/2018   23:39:09  (  70.02,-178.61)    3.30                39
 03/23/2018   14:15:25   (  70.65, -38.44) 03/23/2018   14:16:35  (  70.52, -37.29)   44.79                70
 03/23/2018   15:05:57   ( -70.09, 129.76) 03/23/2018   15:06:10  ( -70.08, 129.71)    2.11                13
 03/23/2018   15:56:41   (  69.97, -62.75) 03/23/2018   15:55:37  (  69.98, -62.80)    1.95                64
 03/26/2018   06:32:10   (  70.20,  78.04) 03/26/2018   06:33:08  (  70.20,  78.11)    2.76                58
 03/26/2018   07:22:51   ( -70.06,-114.42) 03/26/2018   07:22:39  ( -70.04,-114.48)    3.18                12
 03/26/2018   08:13:24   (  69.36,  53.91) 03/26/2018   08:12:15  (  69.43,  52.33)   62.55                69
 03/28/2018   22:49:03   (  70.12,-166.07) 03/28/2018   22:49:37  (  70.15,-166.08)    2.96                34
 03/28/2018   23:39:45   ( -70.03,   1.39) 03/28/2018   23:39:07  ( -70.04,   1.40)    1.92                38
 03/31/2018   14:15:22   ( -70.67, 141.52) 03/31/2018   14:16:32  ( -70.59, 142.80)   47.85                70
 03/31/2018   15:05:57   (  70.09, -50.25) 03/31/2018   15:06:06  (  70.09, -50.28)    1.05                 9
 03/31/2018   15:56:39   ( -70.00, 117.21) 03/31/2018   15:55:36  ( -69.99, 117.21)    0.34                63