Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 12 27.  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)
 12/29/2017   08:53:46   ( -77.01,-121.90) 12/29/2017   08:53:04  ( -77.02,-121.90)    1.48                42
 12/29/2017   09:43:13   (  76.95,  45.52) 12/29/2017   09:44:04  (  76.95,  45.64)    3.04                51
 12/31/2017   14:27:28   (  77.03, -25.24) 12/31/2017   14:26:46  (  77.02, -25.25)    1.52                42
 12/31/2017   15:16:57   ( -76.96, 142.11) 12/31/2017   15:17:45  ( -76.96, 142.25)    3.66                48
 01/02/2018   20:01:12   ( -77.04,  71.34) 01/02/2018   20:00:28  ( -77.05,  71.27)    1.97                44
 01/02/2018   20:50:39   (  76.98,-121.25) 01/02/2018   20:51:27  (  76.99,-121.23)    1.88                48
 01/05/2018   01:34:54   (  77.05, 167.97) 01/05/2018   01:34:09  (  77.07, 167.84)    3.39                45
 01/05/2018   02:24:23   ( -76.98, -24.67) 01/05/2018   02:25:09  ( -77.00, -24.61)    2.43                46
 01/07/2018   07:08:38   ( -77.06, -95.46) 01/07/2018   07:07:51  ( -77.05, -95.44)    0.75                47
 01/07/2018   07:58:05   (  76.99,  71.94) 01/07/2018   07:58:49  (  77.00,  72.02)    2.75                44
 01/09/2018   12:42:20   (  77.06,   1.13) 01/09/2018   12:41:30  (  77.04,   1.24)    3.36                50