Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 12 28.  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,-121.89) 12/29/2017   08:53:04  ( -77.02,-121.89)    0.47                42
 12/29/2017   09:43:13   (  76.96,  45.54) 12/29/2017   09:44:04  (  76.95,  45.66)    3.08                51
 12/31/2017   14:27:28   (  77.04, -25.22) 12/31/2017   14:26:46  (  77.01, -25.22)    2.87                42
 12/31/2017   15:16:57   ( -76.96, 142.13) 12/31/2017   15:17:45  ( -76.96, 142.28)    3.74                48
 01/02/2018   20:01:12   ( -77.04,  71.36) 01/02/2018   20:00:28  ( -77.04,  71.30)    1.60                44
 01/02/2018   20:50:39   (  76.98,-121.22) 01/02/2018   20:51:27  (  76.98,-121.19)    0.75                48
 01/05/2018   01:34:54   (  77.06, 167.99) 01/05/2018   01:34:09  (  77.06, 167.88)    2.77                45
 01/05/2018   02:24:23   ( -76.99, -24.64) 01/05/2018   02:25:09  ( -76.99, -24.57)    1.87                46
 01/07/2018   07:08:38   ( -77.06, -95.43) 01/07/2018   07:07:51  ( -77.04, -95.40)    2.77                47
 01/07/2018   07:58:05   (  77.00,  71.96) 01/07/2018   07:58:49  (  76.99,  72.07)    2.67                44
 01/09/2018   12:42:20   (  77.07,   1.16) 01/09/2018   12:41:31  (  77.07,   1.12)    1.12                49