Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 4 15.  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)
 04/16/2017   19:42:19   ( -76.05,  72.54) 04/16/2017   19:41:47  ( -76.05,  72.40)    3.93                32
 04/16/2017   20:31:46   (  75.98,-120.02) 04/16/2017   20:32:47  (  75.95,-120.02)    3.73                61
 04/19/2017   01:16:00   (  76.04, 169.07) 04/19/2017   01:15:38  (  76.04, 169.02)    1.47                22
 04/19/2017   02:05:29   ( -75.96, -23.52) 04/19/2017   02:06:37  ( -75.99, -23.54)    2.66                68
 04/21/2017   06:49:44   ( -76.02, -94.43) 04/21/2017   06:49:29  ( -76.05, -94.42)    3.55                15
 04/21/2017   07:39:14   (  75.80,  72.55) 04/21/2017   07:40:24  (  75.79,  73.76)   33.23                70
 04/23/2017   12:23:25   (  76.04,   2.22) 04/23/2017   12:23:20  (  76.06,   2.13)    3.07                 5
 04/23/2017   13:13:03   ( -75.53, 168.33) 04/23/2017   13:14:09  ( -75.51, 171.32)   83.14                66
 04/25/2017   17:57:08   ( -76.07,  98.86) 04/25/2017   17:57:12  ( -76.07,  98.71)    4.08                 4
 04/27/2017   22:41:20   ( -76.26,  28.38) 04/27/2017   22:40:09  ( -76.36,  26.95)   39.38                71
 04/27/2017   23:30:50   (  76.03,-164.68) 04/27/2017   23:31:01  (  76.05,-164.63)    2.67                11