Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 10 6.  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)
 10/06/2021   16:11:19   ( -80.54, 149.82) 10/06/2021   16:11:19  ( -80.55, 149.76)    2.07                 0
 10/08/2021   21:45:02   (  80.55,-113.47) 10/08/2021   21:44:30  (  80.56,-113.55)    1.65                32
 10/08/2021   22:34:29   ( -80.55,  54.12) 10/08/2021   22:35:23  ( -80.53,  54.26)    2.80                54
 10/11/2021   03:18:47   ( -80.55, -16.91) 10/11/2021   03:17:38  ( -80.66, -19.35)   45.86                69
 10/11/2021   04:08:13   (  80.55, 150.79) 10/11/2021   04:08:35  (  80.54, 150.90)    2.58                22
 10/13/2021   09:41:58   ( -80.55,-112.66) 10/13/2021   09:41:37  ( -80.56,-112.76)    2.04                21
 10/15/2021   15:15:42   (  80.55, -16.08) 10/15/2021   15:14:48  (  80.56, -15.94)    2.52                54
 10/15/2021   16:05:09   ( -80.56, 151.57) 10/15/2021   16:05:42  ( -80.54, 151.69)    2.63                33