Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2015 4 20.  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)
 04/20/2015   19:37:01   ( -73.15,  66.81) 04/20/2015   19:35:54  ( -73.13,  66.78)    1.76                67
 04/20/2015   20:26:28   (  73.06,-125.72) 04/20/2015   20:26:49  (  73.03,-125.72)    3.89                21
 04/23/2015   01:10:44   (  73.09, 163.27) 04/23/2015   01:10:15  (  73.08, 163.35)    3.21                29
 04/23/2015   02:00:13   ( -73.02, -29.23) 04/23/2015   02:01:19  ( -73.00, -29.25)    2.74                66
 04/25/2015   05:54:57   (  73.27,  92.55) 04/25/2015   05:53:45  (  73.33,  91.94)   20.68                72
 04/25/2015   06:44:29   ( -73.04,-100.27) 04/25/2015   06:44:45  ( -73.07,-100.22)    3.20                16
 04/27/2015   11:28:43   ( -73.15,-171.12) 04/27/2015   11:28:11  ( -73.15,-171.22)    3.24                32
 04/27/2015   12:18:10   (  73.01,  -3.77) 04/27/2015   12:19:05  (  73.02,  -3.67)    3.31                55
 04/29/2015   16:12:52   ( -73.46, 118.43) 04/29/2015   16:11:41  ( -73.49, 117.17)   39.92                71
 04/29/2015   17:02:24   (  73.10, -74.65) 04/29/2015   17:02:31  (  73.10, -74.66)    0.66                 7
 05/01/2015   21:46:39   (  73.13,-145.67) 05/01/2015   21:45:56  (  73.14,-145.57)    3.43                43
 05/01/2015   22:36:08   ( -73.07,  21.84) 05/01/2015   22:36:59  ( -73.07,  21.82)    0.43                51
 05/04/2015   02:30:41   (  73.82, 144.71) 05/04/2015   02:29:35  (  73.87, 141.86)   88.46                66
 05/04/2015   03:20:22   ( -73.13, -49.11) 05/04/2015   03:20:24  ( -73.14, -49.15)    1.53                 2