Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 3 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)
 03/11/2021   22:03:14   ( -80.27,  58.93) 03/11/2021   22:02:55  ( -80.27,  58.81)    2.39                19
 03/11/2021   22:52:41   (  80.24,-133.69) 03/11/2021   22:53:51  (  80.25,-133.62)    1.47                70
 03/14/2021   03:36:56   (  80.28, 155.59) 03/14/2021   03:36:04  (  80.28, 155.48)    2.06                52
 03/14/2021   04:26:24   ( -80.25, -37.09) 03/14/2021   04:27:07  ( -80.26, -36.97)    2.58                43
 03/16/2021   10:00:06   (  80.25,  59.52) 03/16/2021   10:00:16  (  80.28,  59.54)    2.77                10
 03/18/2021   15:33:48   ( -80.29, 156.43) 03/18/2021   15:33:32  ( -80.27, 156.44)    2.17                16
 03/18/2021   16:23:15   (  80.25, -36.25) 03/18/2021   16:24:27  (  80.26, -36.07)    3.38                72
 03/20/2021   21:07:30   (  80.29,-107.03) 03/20/2021   21:06:40  (  80.28,-106.99)    0.84                50
 03/20/2021   21:56:58   ( -80.26,  60.35) 03/20/2021   21:57:45  ( -80.28,  60.27)    3.10                47
 03/23/2021   02:41:15   ( -80.22, -11.04) 03/23/2021   02:40:02  ( -80.38, -11.90)   23.69                73