Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 10 10.  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)
 10/11/2021   03:18:48   ( -80.52, -17.23) 10/11/2021   03:17:38  ( -80.66, -19.33)   41.19                70
 10/11/2021   04:08:13   (  80.56, 150.82) 10/11/2021   04:08:35  (  80.54, 150.93)    3.05                22
 10/13/2021   09:41:58   ( -80.55,-112.67) 10/13/2021   09:41:37  ( -80.56,-112.75)    1.63                21
 10/15/2021   15:15:42   (  80.56, -16.06) 10/15/2021   15:14:48  (  80.56, -15.90)    3.07                54
 10/15/2021   16:05:09   ( -80.55, 151.55) 10/15/2021   16:05:42  ( -80.54, 151.71)    3.27                33
 10/17/2021   21:38:53   (  80.55,-111.89) 10/17/2021   21:38:54  (  80.56,-111.90)    0.78                 1
 10/20/2021   03:12:37   ( -80.58, -15.09) 10/20/2021   03:11:55  ( -80.56, -15.02)    2.33                42
 10/20/2021   04:02:04   (  80.55, 152.25) 10/20/2021   04:02:59  (  80.55, 152.42)    3.17                55
 10/22/2021   08:46:24   (  80.48,  80.42) 10/22/2021   08:45:11  (  80.64,  79.67)   23.02                73