Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 5 15.  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   23:35:35   (  80.35,-143.15) 05/15/2021   23:35:30  (  80.35,-143.08)    1.46                 5
 05/18/2021   05:09:21   ( -80.35, -46.60) 05/18/2021   05:08:37  ( -80.37, -46.50)    2.53                44
 05/18/2021   05:58:47   (  80.36, 121.07) 05/18/2021   05:59:41  (  80.36, 120.91)    2.95                54
 05/20/2021   10:43:05   (  80.38,  50.28) 05/20/2021   10:41:52  (  80.37,  50.25)    1.83                73
 05/20/2021   11:32:33   ( -80.36,-142.38) 05/20/2021   11:32:47  ( -80.36,-142.31)    1.38                14
 05/22/2021   17:06:18   (  80.35, -45.84) 05/22/2021   17:06:03  (  80.38, -45.82)    2.66                15
 05/22/2021   17:55:45   ( -80.36, 121.83) 05/22/2021   17:56:57  ( -80.35, 121.87)    0.82                72
 05/24/2021   22:40:02   ( -80.38,  51.01) 05/24/2021   22:39:07  ( -80.37,  51.08)    1.71                55
 05/24/2021   23:29:29   (  80.35,-141.67) 05/24/2021   23:30:12  (  80.37,-141.59)    2.39                43
 05/27/2021   05:03:14   ( -80.38, -44.82) 05/27/2021   05:03:17  ( -80.36, -44.77)    1.69                 3
 05/29/2021   10:36:58   (  80.40,  51.93) 05/29/2021   10:36:33  (  80.37,  51.82)    3.12                25