Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 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)
 07/15/2021   14:01:05   ( -80.45,-178.49) 07/15/2021   14:00:48  ( -80.44,-178.51)    1.48                17
 07/15/2021   14:50:32   (  80.43, -11.10) 07/15/2021   14:51:45  (  80.43, -11.12)    0.64                73
 07/17/2021   19:34:49   (  80.44, -82.03) 07/17/2021   19:33:54  (  80.45, -81.91)    2.40                55
 07/17/2021   20:24:16   ( -80.44,  85.59) 07/17/2021   20:24:57  ( -80.44,  85.48)    2.12                41
 07/20/2021   01:57:59   (  80.46,-177.66) 07/20/2021   01:58:02  (  80.44,-177.77)    2.31                 3
 07/22/2021   07:31:44   ( -80.44, -81.27) 07/22/2021   07:31:15  ( -80.46, -81.23)    2.10                29
 07/22/2021   08:21:10   (  80.44,  86.37) 07/22/2021   08:22:10  (  80.44,  86.36)    0.31                60
 07/24/2021   13:05:27   (  80.45,  15.41) 07/24/2021   13:04:19  (  80.46,  15.54)    2.71                68
 07/24/2021   13:54:54   ( -80.45,-176.91) 07/24/2021   13:55:23  ( -80.45,-176.98)    1.44                29