Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 12 21.  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)
 12/22/2017   16:12:36   (  77.01, -51.61) 12/22/2017   16:12:01  (  77.00, -51.74)    3.27                35
 12/22/2017   17:02:05   ( -76.93, 115.74) 12/22/2017   17:02:58  ( -76.96, 115.70)    3.28                53
 12/24/2017   21:46:22   ( -76.97,  44.83) 12/24/2017   21:45:40  ( -76.98,  44.99)    3.99                42
 12/24/2017   22:35:48   (  76.96,-147.58) 12/24/2017   22:36:42  (  76.95,-147.63)    1.73                54
 12/27/2017   03:20:05   (  77.00, 141.50) 12/27/2017   03:19:24  (  77.00, 141.53)    0.92                41
 12/27/2017   04:09:33   ( -76.97, -50.97) 12/27/2017   04:10:22  ( -76.95, -50.99)    2.46                49
 12/29/2017   08:53:50   ( -77.01,-121.90) 12/29/2017   08:53:05  ( -77.02,-121.92)    1.34                45
 12/29/2017   09:43:17   (  76.95,  45.50) 12/29/2017   09:44:05  (  76.96,  45.61)    3.09                48
 12/31/2017   14:27:33   (  77.03, -25.27) 12/31/2017   14:26:47  (  77.02, -25.25)    0.97                46
 12/31/2017   15:17:02   ( -76.96, 142.11) 12/31/2017   15:17:46  ( -76.96, 142.27)    4.04                44
 01/02/2018   20:01:18   ( -77.04,  71.33) 01/02/2018   20:00:29  ( -77.04,  71.32)    0.27                49