Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 6 18.  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, -15.80) 06/18/2021   15:08:01  (  80.42, -15.98)    3.33                60
 06/18/2021   15:58:28   ( -80.42, 151.78) 06/18/2021   15:58:56  ( -80.39, 151.71)    2.74                28
 06/20/2021   21:32:13   (  80.40,-111.85) 06/20/2021   21:32:10  (  80.41,-111.87)    1.92                 3
 06/23/2021   03:05:57   ( -80.43, -14.97) 06/23/2021   03:05:16  ( -80.41, -15.02)    1.98                41
 06/23/2021   03:55:24   (  80.40, 152.40) 06/23/2021   03:56:18  (  80.39, 152.56)    2.97                54
 06/25/2021   08:39:41   (  80.43,  81.64) 06/25/2021   08:38:28  (  80.42,  81.66)    1.67                73
 06/25/2021   09:29:09   ( -80.40,-111.03) 06/25/2021   09:29:26  ( -80.42,-111.11)    2.52                17
 06/27/2021   15:02:53   (  80.40, -14.45) 06/27/2021   15:02:37  (  80.42, -14.32)    3.08                16
 06/27/2021   15:52:18   ( -80.47, 153.83) 06/27/2021   15:53:32  ( -80.36, 154.12)   13.35                74
 06/29/2021   20:36:37   ( -80.43,  82.43) 06/29/2021   20:35:45  ( -80.43,  82.36)    1.63                52
 06/29/2021   21:26:04   (  80.40,-110.25) 06/29/2021   21:26:46  (  80.42,-110.33)    2.73                42