Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 7.  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)
 07/08/2021   20:30:27   ( -80.42,  83.85) 07/08/2021   20:30:21  ( -80.43,  83.99)    2.86                 6
 07/11/2021   02:04:10   (  80.44,-179.33) 07/11/2021   02:03:29  (  80.44,-179.50)    3.09                41
 07/11/2021   02:53:38   ( -80.41, -12.02) 07/11/2021   02:54:30  ( -80.43, -11.94)    2.35                52
 07/13/2021   07:37:57   ( -80.37, -83.51) 07/13/2021   07:36:43  ( -80.50, -83.86)   15.91                74
 07/13/2021   08:27:21   (  80.43,  84.77) 07/13/2021   08:27:37  (  80.44,  84.69)    1.45                16
 07/15/2021   14:01:05   ( -80.45,-178.47) 07/15/2021   14:00:48  ( -80.44,-178.47)    1.87                17
 07/15/2021   14:50:32   (  80.42, -11.15) 07/15/2021   14:51:45  (  80.43, -11.13)    1.25                73
 07/17/2021   19:34:49   (  80.44, -82.07) 07/17/2021   19:33:54  (  80.45, -81.92)    3.19                55
 07/17/2021   20:24:16   ( -80.44,  85.61) 07/17/2021   20:24:57  ( -80.44,  85.52)    1.72                41