Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2018 4 8.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2018   20:00:11   ( -77.77,  74.22) 04/08/2018   19:59:05  ( -77.81,  70.94)   77.23                66
 04/08/2018   20:49:45   (  77.40,-119.69) 04/08/2018   20:50:01  (  77.39,-119.67)    1.58                16
 04/11/2018   01:33:55   (  77.69, 170.42) 04/11/2018   01:32:47  (  77.74, 167.93)   59.24                68
 04/11/2018   02:23:28   ( -77.43, -23.03) 04/11/2018   02:23:33  ( -77.39, -23.01)    3.66                 5
 04/13/2018   07:57:09   (  77.43,  73.54) 04/13/2018   07:57:16  (  77.42,  73.52)    0.84                 7
 04/15/2018   13:30:52   ( -77.45, 170.20) 04/15/2018   13:30:49  ( -77.45, 170.04)    3.96                 3
 04/17/2018   19:04:34   (  77.44, -93.27) 04/17/2018   19:04:31  (  77.43, -93.20)    2.19                 3
 04/17/2018   19:54:11   ( -77.00,  72.66) 04/17/2018   19:55:15  ( -76.95,  76.31)   91.66                64
 04/20/2018   00:38:17   ( -77.47,   3.39) 04/20/2018   00:38:04  ( -77.44,   3.42)    2.58                13