Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 4 13.  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)
 04/13/2018   22:48:57   (  70.13,-166.08) 04/13/2018   22:49:28  (  70.14,-166.11)    1.43                31
 04/13/2018   23:39:39   ( -70.05,   1.37) 04/13/2018   23:38:58  ( -70.03,   1.36)    2.43                41
 04/16/2018   14:15:13   ( -70.56, 141.72) 04/16/2018   14:16:24  ( -70.48, 142.62)   34.53                71
 04/16/2018   15:05:51   (  70.13, -50.30) 04/16/2018   15:05:56  (  70.11, -50.28)    2.46                 5
 04/16/2018   15:56:32   ( -69.99, 117.23) 04/16/2018   15:55:26  ( -69.99, 117.20)    1.70                66
 04/19/2018   06:32:00   ( -70.18,-101.92) 04/19/2018   06:32:57  ( -70.17,-101.95)    1.42                57
 04/19/2018   07:22:44   (  70.07,  65.56) 04/19/2018   07:22:24  (  70.07,  65.54)    0.79                20
 04/19/2018   08:13:12   ( -69.29,-125.98) 04/19/2018   08:12:04  ( -69.35,-127.80)   71.92                68
 04/21/2018   22:48:52   ( -70.12,  13.94) 04/21/2018   22:49:24  ( -70.13,  13.87)    2.93                32
 04/21/2018   23:39:36   (  70.02,-178.58) 04/21/2018   23:38:51  (  70.02,-178.64)    2.22                45
 04/24/2018   14:15:08   (  70.43, -38.08) 04/24/2018   14:16:19  (  70.35, -37.56)   21.11                71
 04/24/2018   15:05:46   ( -70.12, 129.72) 04/24/2018   15:05:51  ( -70.14, 129.76)    2.86                 5
 04/24/2018   15:56:30   (  70.02, -62.81) 04/24/2018   15:55:18  (  70.03, -62.75)    2.54                72