Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 9 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)
 09/23/2021   04:20:30   (  80.52, 147.34) 09/23/2021   04:19:45  (  80.54, 147.44)    2.83                45
 09/23/2021   05:09:57   ( -80.51, -45.05) 09/23/2021   05:10:40  ( -80.52, -44.99)    1.45                43
 09/25/2021   10:43:39   (  80.54,  51.78) 09/25/2021   10:43:50  (  80.52,  51.78)    1.61                11
 09/27/2021   16:17:24   ( -80.53, 148.21) 09/27/2021   16:16:53  ( -80.54, 148.17)    2.12                31
 09/27/2021   17:06:50   (  80.53, -44.13) 09/27/2021   17:07:57  (  80.53, -44.26)    2.41                67
 09/29/2021   21:51:07   (  80.54,-115.03) 09/29/2021   21:50:04  (  80.54,-114.91)    2.42                63
 09/29/2021   22:40:35   ( -80.51,  52.30) 09/29/2021   22:40:59  ( -80.54,  52.38)    2.92                24
 10/02/2021   04:14:18   (  80.53, 149.02) 10/02/2021   04:14:11  (  80.54, 149.00)    1.70                 7
 10/04/2021   09:48:02   ( -80.54,-114.24) 10/04/2021   09:47:12  ( -80.54,-114.15)    1.77                50