Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 12 29.  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   ( -77.02,-121.86) 12/29/2017   08:53:04  ( -77.01,-121.86)    1.11                42
 12/29/2017   09:43:13   (  76.96,  45.58) 12/29/2017   09:44:05  (  76.98,  45.51)    2.73                52
 12/31/2017   14:27:29   (  77.00, -25.36) 12/31/2017   14:26:46  (  77.01, -25.19)    4.16                43
 12/31/2017   15:16:57   ( -76.97, 142.16) 12/31/2017   15:17:46  ( -76.99, 142.12)    2.58                49
 01/02/2018   20:01:12   ( -77.05,  71.40) 01/02/2018   20:00:28  ( -77.03,  71.34)    2.92                44
 01/02/2018   20:50:39   (  76.99,-121.18) 01/02/2018   20:51:27  (  76.98,-121.16)    2.17                48
 01/05/2018   01:34:55   (  77.03, 167.87) 01/05/2018   01:34:09  (  77.05, 167.93)    2.72                46
 01/05/2018   02:24:23   ( -77.00, -24.60) 01/05/2018   02:25:09  ( -76.98, -24.53)    2.83                46
 01/07/2018   07:08:38   ( -77.08, -95.38) 01/07/2018   07:07:52  ( -77.07, -95.53)    3.77                46
 01/07/2018   07:58:05   (  77.01,  72.02) 01/07/2018   07:58:50  (  77.02,  71.94)    2.21                45
 01/09/2018   12:42:20   (  77.08,   1.22) 01/09/2018   12:41:31  (  77.05,   1.19)    3.37                49
 01/09/2018   13:31:49   ( -77.01, 168.59) 01/09/2018   13:32:33  ( -77.02, 168.57)    1.07                44
 01/11/2018   18:16:04   ( -77.09,  97.79) 01/11/2018   18:15:15  ( -77.08,  97.72)    1.91                49