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   15:09:02   (  80.41, -15.97) 06/18/2021   15:08:01  (  80.41, -15.82)    2.81                61
 06/18/2021   15:58:29   ( -80.40, 151.62) 06/18/2021   15:58:57  ( -80.40, 151.54)    1.47                28
 06/20/2021   21:32:13   (  80.41,-111.70) 06/20/2021   21:32:10  (  80.41,-111.70)    0.73                 3
 06/23/2021   03:05:58   ( -80.41, -15.13) 06/23/2021   03:05:17  ( -80.42, -15.20)    1.64                41
 06/23/2021   03:55:25   (  80.38, 152.24) 06/23/2021   03:56:19  (  80.40, 152.37)    3.29                54
 06/25/2021   08:39:42   (  80.42,  81.48) 06/25/2021   08:38:29  (  80.43,  81.47)    1.29                73
 06/25/2021   09:29:09   ( -80.42,-110.88) 06/25/2021   09:29:26  ( -80.41,-110.96)    1.64                17
 06/27/2021   15:02:53   (  80.42, -14.30) 06/27/2021   15:02:37  (  80.41, -14.18)    2.36                16
 06/27/2021   15:52:19   ( -80.45, 153.67) 06/27/2021   15:53:33  ( -80.37, 153.92)   10.43                74
 06/29/2021   20:36:38   ( -80.42,  82.27) 06/29/2021   20:35:46  ( -80.44,  82.16)    2.93                52
 06/29/2021   21:26:04   (  80.42,-110.10) 06/29/2021   21:26:46  (  80.42,-110.20)    1.84                42