Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 12 14.  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)
 12/15/2017   23:31:24   ( -76.94,  18.46) 12/15/2017   23:30:51  ( -76.97,  18.46)    3.76                33
 12/16/2017   00:20:50   (  76.93,-173.94) 12/16/2017   00:21:54  (  76.89,-173.96)    3.91                64
 12/18/2017   05:05:07   (  76.98, 115.18) 12/18/2017   05:04:37  (  76.97, 115.08)    2.86                30
 12/18/2017   05:54:36   ( -76.91, -77.45) 12/18/2017   05:55:33  ( -76.93, -77.48)    2.98                57
 12/20/2017   10:38:53   ( -76.96,-148.33) 12/20/2017   10:38:16  ( -77.00,-148.36)    3.82                37
 12/20/2017   11:28:19   (  76.95,  19.25) 12/20/2017   11:29:18  (  76.92,  19.21)    3.19                59
 12/22/2017   16:12:36   (  77.00, -51.64) 12/22/2017   16:12:00  (  76.97, -51.60)    3.43                36
 12/22/2017   17:02:05   ( -76.93, 115.74) 12/22/2017   17:02:57  ( -76.92, 115.86)    3.05                52
 12/24/2017   21:46:22   ( -76.98,  44.85) 12/24/2017   21:45:40  ( -76.99,  44.95)    3.01                42
 12/24/2017   22:35:48   (  76.96,-147.59) 12/24/2017   22:36:42  (  76.96,-147.69)    2.62                54
 12/27/2017   03:20:05   (  77.00, 141.51) 12/27/2017   03:19:24  (  77.02, 141.46)    2.17                41