Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 10 21.  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)
 10/22/2021   08:46:24   (  80.47,  80.36) 10/22/2021   08:45:10  (  80.63,  79.97)   19.18                74
 10/22/2021   09:35:48   ( -80.56,-111.10) 10/22/2021   09:36:01  ( -80.56,-111.05)    1.11                13
 10/24/2021   15:09:31   (  80.58, -14.26) 10/24/2021   15:09:11  (  80.57, -14.36)    2.33                20
 10/24/2021   15:58:59   ( -80.55, 153.01) 10/24/2021   16:00:07  ( -80.56, 153.01)    1.73                68
 10/26/2021   20:43:16   ( -80.56,  82.11) 10/26/2021   20:42:14  ( -80.58,  82.12)    2.01                62
 10/26/2021   21:32:42   (  80.57,-110.20) 10/26/2021   21:33:16  (  80.56,-110.14)    1.33                34
 10/29/2021   03:06:26   ( -80.58, -13.51) 10/29/2021   03:06:19  ( -80.57, -13.51)    1.17                 7
 10/31/2021   08:40:09   (  80.59,  83.18) 10/31/2021   08:39:27  (  80.57,  83.27)    2.79                42
 10/31/2021   09:29:37   ( -80.56,-109.49) 10/31/2021   09:30:25  ( -80.57,-109.51)    1.06                48