Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 5 13.  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)
 05/13/2021   17:12:22   (  80.37, -47.21) 05/13/2021   17:11:19  (  80.36, -47.23)    1.01                63
 05/13/2021   18:01:50   ( -80.34, 120.12) 05/13/2021   18:02:15  ( -80.35, 120.27)    2.99                25
 05/15/2021   23:35:35   (  80.34,-143.28) 05/15/2021   23:35:30  (  80.36,-143.22)    2.58                 5
 05/18/2021   05:09:20   ( -80.37, -46.39) 05/18/2021   05:08:36  ( -80.36, -46.31)    2.47                44
 05/18/2021   05:58:47   (  80.34, 120.95) 05/18/2021   05:59:40  (  80.35, 121.08)    2.56                53
 05/20/2021   10:43:05   (  80.37,  50.15) 05/20/2021   10:41:52  (  80.38,  50.05)    2.01                73
 05/20/2021   11:32:33   ( -80.34,-142.48) 05/20/2021   11:32:47  ( -80.37,-142.49)    2.75                14
 05/22/2021   17:06:17   (  80.37, -45.67) 05/22/2021   17:06:02  (  80.37, -45.72)    1.06                15
 05/22/2021   17:55:45   ( -80.34, 121.72) 05/22/2021   17:56:57  ( -80.36, 121.65)    2.61                72
 05/24/2021   22:40:03   ( -80.37,  50.89) 05/24/2021   22:39:08  ( -80.38,  50.81)    2.34                55