Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 4 6.  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)
 04/07/2017   21:27:28   ( -76.02,  46.18) 04/07/2017   21:26:19  ( -76.01,  46.16)    1.36                69
 04/07/2017   22:16:55   (  75.95,-146.38) 04/07/2017   22:17:22  (  75.95,-146.38)    0.75                27
 04/10/2017   03:01:10   (  76.02, 142.75) 04/10/2017   03:00:14  (  76.02, 142.71)    1.18                56
 04/10/2017   03:50:39   ( -75.94, -49.84) 04/10/2017   03:51:10  ( -75.93, -49.73)    3.12                31
 04/12/2017   08:34:54   ( -76.01,-120.71) 04/12/2017   08:34:03  ( -76.03,-120.72)    1.74                51
 04/12/2017   09:24:21   (  75.94,  46.71) 04/12/2017   09:25:05  (  75.97,  46.72)    3.76                44
 04/14/2017   14:08:36   (  76.00, -24.18) 04/14/2017   14:07:56  (  76.01, -24.06)    3.28                40
 04/14/2017   14:58:04   ( -75.98, 143.40) 04/14/2017   14:58:54  ( -75.96, 143.37)    2.28                50
 04/16/2017   19:42:19   ( -76.04,  72.51) 04/16/2017   19:41:46  ( -76.01,  72.52)    2.77                33
 04/16/2017   20:31:46   (  75.96,-120.09) 04/16/2017   20:32:47  (  75.97,-120.08)    1.10                61
 04/19/2017   01:16:01   (  76.02, 169.01) 04/19/2017   01:15:38  (  76.01, 169.12)    2.91                23