Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 10 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)
 10/08/2021   21:45:02   (  80.56,-113.34) 10/08/2021   21:44:30  (  80.55,-113.41)    1.80                32
 10/08/2021   22:34:30   ( -80.53,  53.92) 10/08/2021   22:35:24  ( -80.54,  54.04)    2.82                54
 10/11/2021   03:18:48   ( -80.53, -17.11) 10/11/2021   03:17:38  ( -80.65, -19.20)   40.36                70
 10/11/2021   04:08:14   (  80.54, 150.59) 10/11/2021   04:08:36  (  80.55, 150.70)    2.27                22
 10/13/2021   09:41:58   ( -80.56,-112.54) 10/13/2021   09:41:37  ( -80.55,-112.61)    1.74                21
 10/15/2021   15:15:42   (  80.57, -15.95) 10/15/2021   15:14:49  (  80.57, -16.11)    2.99                53
 10/15/2021   16:05:10   ( -80.54, 151.37) 10/15/2021   16:05:43  ( -80.55, 151.52)    3.21                33
 10/17/2021   21:38:53   (  80.56,-111.77) 10/17/2021   21:38:54  (  80.55,-111.75)    1.22                 1
 10/20/2021   03:12:38   ( -80.56, -15.25) 10/20/2021   03:11:56  ( -80.57, -15.20)    1.12                42