Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 9 25.  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)
 09/25/2021   10:43:41   (  80.52,  51.53) 09/25/2021   10:43:51  (  80.54,  51.51)    2.31                10
 09/27/2021   16:17:26   ( -80.53, 148.26) 09/27/2021   16:16:53  ( -80.54, 148.21)    1.51                33
 09/27/2021   17:06:52   (  80.54, -44.03) 09/27/2021   17:07:57  (  80.53, -44.20)    3.28                65
 09/29/2021   21:51:10   (  80.56,-114.92) 09/29/2021   21:50:04  (  80.54,-114.87)    2.41                66
 09/29/2021   22:40:38   ( -80.52,  52.39) 09/29/2021   22:40:59  ( -80.54,  52.40)    1.35                21
 10/02/2021   04:14:22   (  80.55, 149.19) 10/02/2021   04:14:11  (  80.54, 149.02)    3.20                11
 10/02/2021   05:03:48   ( -80.58, -42.85) 10/02/2021   05:05:00  ( -80.45, -41.71)   25.22                72
 10/04/2021   09:48:08   ( -80.54,-114.37) 10/04/2021   09:47:12  ( -80.55,-114.19)    3.41                56
 10/04/2021   10:37:34   (  80.54,  53.30) 10/04/2021   10:38:17  (  80.54,  53.21)    1.47                43
 10/06/2021   16:11:19   ( -80.56, 150.07) 10/06/2021   16:11:18  ( -80.54, 149.97)    2.67                 1
 10/08/2021   21:45:04   (  80.55,-113.50) 10/08/2021   21:44:30  (  80.55,-113.42)    1.50                34