Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 3 8.  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)
 03/09/2021   16:29:31   (  80.27, -37.62) 03/09/2021   16:29:39  (  80.25, -37.65)    2.56                 8
 03/11/2021   22:03:14   ( -80.28,  58.98) 03/11/2021   22:02:55  ( -80.27,  58.86)    2.58                19
 03/11/2021   22:52:41   (  80.25,-133.65) 03/11/2021   22:53:51  (  80.25,-133.58)    1.35                70
 03/14/2021   03:36:56   (  80.28, 155.61) 03/14/2021   03:36:04  (  80.28, 155.51)    2.17                52
 03/14/2021   04:26:24   ( -80.25, -37.05) 03/14/2021   04:27:07  ( -80.26, -36.93)    2.31                43
 03/16/2021   10:00:05   (  80.25,  59.55) 03/16/2021   10:00:15  (  80.28,  59.56)    2.41                10
 03/18/2021   15:33:47   ( -80.29, 156.46) 03/18/2021   15:33:31  ( -80.27, 156.46)    2.59                16
 03/18/2021   16:23:14   (  80.26, -36.24) 03/18/2021   16:24:26  (  80.26, -36.07)    3.15                72
 03/20/2021   21:07:29   (  80.29,-107.02) 03/20/2021   21:06:39  (  80.28,-107.00)    0.46                50