Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 5 14.  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)
 05/15/2021   23:35:34   (  80.36,-143.08) 05/15/2021   23:35:29  (  80.35,-143.00)    2.02                 5
 05/18/2021   05:09:20   ( -80.36, -46.51) 05/18/2021   05:08:36  ( -80.36, -46.41)    1.75                44
 05/18/2021   05:58:46   (  80.36, 121.15) 05/18/2021   05:59:40  (  80.35, 120.99)    3.35                54
 05/20/2021   10:43:05   (  80.36,  50.05) 05/20/2021   10:41:52  (  80.38,  49.97)    2.88                73
 05/20/2021   11:32:32   ( -80.37,-142.28) 05/20/2021   11:32:46  ( -80.36,-142.24)    1.34                14
 05/22/2021   17:06:17   (  80.36, -45.76) 05/22/2021   17:06:02  (  80.37, -45.78)    1.46                15
 05/22/2021   17:55:44   ( -80.37, 121.93) 05/22/2021   17:56:56  ( -80.35, 121.92)    1.86                72
 05/24/2021   22:40:02   ( -80.39,  51.12) 05/24/2021   22:39:07  ( -80.37,  51.11)    2.60                55
 05/24/2021   23:29:29   (  80.36,-141.58) 05/24/2021   23:30:12  (  80.36,-141.57)    0.68                43