Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 10 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)
 10/20/2021   03:12:37   ( -80.57, -15.12) 10/20/2021   03:11:55  ( -80.56, -15.02)    2.45                42
 10/20/2021   04:02:04   (  80.55, 152.28) 10/20/2021   04:03:00  (  80.56, 152.12)    3.18                56
 10/22/2021   08:46:24   (  80.48,  80.45) 10/22/2021   08:45:11  (  80.64,  79.71)   22.48                73
 10/22/2021   09:35:48   ( -80.57,-110.98) 10/22/2021   09:36:01  ( -80.56,-110.95)    1.19                13
 10/24/2021   15:09:32   (  80.56, -14.50) 10/24/2021   15:09:12  (  80.58, -14.62)    3.11                20
 10/24/2021   15:58:59   ( -80.56, 153.13) 10/24/2021   16:00:07  ( -80.56, 153.11)    0.25                68
 10/26/2021   20:43:16   ( -80.57,  82.23) 10/26/2021   20:42:14  ( -80.58,  82.23)    0.30                62
 10/26/2021   21:32:42   (  80.58,-110.11) 10/26/2021   21:33:16  (  80.56,-110.05)    2.37                34
 10/29/2021   03:06:27   ( -80.56, -13.71) 10/29/2021   03:06:20  ( -80.58, -13.74)    2.09                 7
 10/31/2021   08:40:10   (  80.57,  82.96) 10/31/2021   08:39:28  (  80.58,  83.02)    1.58                42