Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 10 11.  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)
 10/11/2021   03:18:48   ( -80.54, -17.00) 10/11/2021   03:17:39  ( -80.66, -19.42)   45.99                69
 10/11/2021   04:08:14   (  80.55, 150.74) 10/11/2021   04:08:36  (  80.54, 150.85)    2.27                22
 10/13/2021   09:41:59   ( -80.55,-112.75) 10/13/2021   09:41:38  ( -80.56,-112.83)    2.53                21
 10/15/2021   15:15:43   (  80.55, -16.14) 10/15/2021   15:14:49  (  80.56, -15.98)    3.17                54
 10/15/2021   16:05:09   ( -80.55, 151.47) 10/15/2021   16:05:42  ( -80.55, 151.63)    2.90                33
 10/17/2021   21:38:53   (  80.55,-111.97) 10/17/2021   21:38:54  (  80.56,-111.98)    1.95                 1
 10/20/2021   03:12:37   ( -80.57, -15.16) 10/20/2021   03:11:55  ( -80.56, -15.11)    1.17                42
 10/20/2021   04:02:04   (  80.54, 152.18) 10/20/2021   04:02:59  (  80.55, 152.33)    3.09                55
 10/22/2021   08:46:23   (  80.50,  80.67) 10/22/2021   08:45:11  (  80.64,  79.57)   25.79                72
 10/22/2021   09:35:48   ( -80.56,-111.02) 10/22/2021   09:36:01  ( -80.56,-111.04)    0.29                13
 10/24/2021   15:09:31   (  80.58, -14.27) 10/24/2021   15:09:11  (  80.57, -14.41)    2.87                20