Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 6 17.  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)
 06/18/2021   15:09:01   (  80.42, -15.85) 06/18/2021   15:08:01  (  80.42, -16.03)    3.36                60
 06/18/2021   15:58:28   ( -80.41, 151.75) 06/18/2021   15:58:56  ( -80.40, 151.68)    2.31                28
 06/20/2021   21:32:13   (  80.39,-111.89) 06/20/2021   21:32:10  (  80.42,-111.92)    2.73                 3
 06/23/2021   03:05:57   ( -80.42, -15.01) 06/23/2021   03:05:16  ( -80.41, -15.07)    1.62                41
 06/23/2021   03:55:24   (  80.40, 152.36) 06/23/2021   03:56:18  (  80.40, 152.50)    2.62                54
 06/25/2021   08:39:41   (  80.43,  81.59) 06/25/2021   08:38:28  (  80.42,  81.59)    0.72                73
 06/25/2021   09:29:08   ( -80.43,-110.76) 06/25/2021   09:29:25  ( -80.40,-110.84)    3.05                17
 06/27/2021   15:02:53   (  80.40, -14.50) 06/27/2021   15:02:37  (  80.42, -14.40)    3.49                16
 06/27/2021   15:52:18   ( -80.46, 153.79) 06/27/2021   15:53:32  ( -80.36, 154.05)   12.35                74
 06/29/2021   20:36:37   ( -80.43,  82.39) 06/29/2021   20:35:45  ( -80.43,  82.28)    1.98                52