Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 12 25.  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)
 12/27/2017   03:20:03   (  76.99, 141.46) 12/27/2017   03:19:24  (  77.00, 141.53)    2.39                39
 12/27/2017   04:09:31   ( -76.96, -51.02) 12/27/2017   04:10:22  ( -76.96, -51.01)    0.45                51
 12/29/2017   08:53:47   ( -77.00,-121.94) 12/29/2017   08:53:05  ( -77.03,-121.95)    3.83                42
 12/29/2017   09:43:13   (  76.98,  45.65) 12/29/2017   09:44:05  (  76.97,  45.58)    2.52                52
 12/31/2017   14:27:28   (  77.02, -25.29) 12/31/2017   14:26:46  (  77.03, -25.31)    1.61                42
 12/31/2017   15:16:56   ( -76.99, 142.25) 12/31/2017   15:17:45  ( -76.97, 142.20)    2.36                49
 01/02/2018   20:01:12   ( -77.03,  71.31) 01/02/2018   20:00:27  ( -77.02,  71.40)    2.40                45
 01/02/2018   20:50:38   (  77.01,-121.12) 01/02/2018   20:51:27  (  77.01,-121.30)    4.49                49
 01/05/2018   01:34:54   (  77.04, 167.92) 01/05/2018   01:34:08  (  77.04, 167.95)    0.76                46
 01/05/2018   02:24:22   ( -77.02, -24.53) 01/05/2018   02:25:09  ( -77.01, -24.68)    3.76                47
 01/07/2018   07:08:38   ( -77.04, -95.50) 01/07/2018   07:07:51  ( -77.07, -95.53)    2.77                47