Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 12 12.  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)
 12/13/2021   00:56:32   ( -80.63,  19.47) 12/13/2021   00:56:02  ( -80.63,  19.38)    1.67                30
 12/13/2021   01:45:59   (  80.61,-173.17) 12/13/2021   01:46:56  (  80.62,-173.05)    2.63                57
 12/15/2021   06:30:16   (  80.61, 115.81) 12/15/2021   06:29:03  (  80.66, 115.47)    7.86                73
 12/15/2021   07:19:43   ( -80.61, -76.55) 12/15/2021   07:20:06  ( -80.63, -76.50)    1.98                23
 12/17/2021   12:53:25   (  80.65,  20.40) 12/17/2021   12:53:05  (  80.63,  20.31)    2.62                20
 12/17/2021   13:42:57   ( -80.50,-173.56) 12/17/2021   13:43:58  ( -80.44,-168.24)   98.00                61
 12/19/2021   18:27:10   ( -80.62, 116.69) 12/19/2021   18:26:15  ( -80.64, 116.74)    2.37                55
 12/19/2021   19:16:36   (  80.62, -75.68) 12/19/2021   19:17:09  (  80.63, -75.56)    2.15                33
 12/22/2021   00:50:20   ( -80.63,  20.94) 12/22/2021   00:50:18  ( -80.63,  21.12)    3.32                 2
 12/24/2021   06:24:02   (  80.65, 117.79) 12/24/2021   06:23:18  (  80.64, 117.74)    1.72                44