Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 12 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)
 12/15/2021   06:30:16   (  80.62, 115.83) 12/15/2021   06:29:03  (  80.66, 115.50)    7.61                73
 12/15/2021   07:19:43   ( -80.61, -76.56) 12/15/2021   07:20:06  ( -80.63, -76.49)    2.07                23
 12/17/2021   12:53:25   (  80.65,  20.42) 12/17/2021   12:53:05  (  80.63,  20.34)    2.67                20
 12/17/2021   13:42:57   ( -80.50,-173.57) 12/17/2021   13:43:58  ( -80.44,-168.24)   98.31                61
 12/19/2021   18:27:10   ( -80.62, 116.67) 12/19/2021   18:26:15  ( -80.64, 116.74)    2.86                55
 12/19/2021   19:16:36   (  80.62, -75.68) 12/19/2021   19:17:09  (  80.63, -75.54)    2.65                33
 12/22/2021   00:50:19   ( -80.65,  21.22) 12/22/2021   00:50:18  ( -80.63,  21.13)    2.80                 1
 12/24/2021   06:24:02   (  80.65, 117.75) 12/24/2021   06:23:18  (  80.64, 117.77)    1.13                44
 12/24/2021   07:13:30   ( -80.62, -74.91) 12/24/2021   07:14:22  ( -80.64, -74.87)    1.47                52
 12/26/2021   12:47:12   (  80.65,  21.91) 12/26/2021   12:47:22  (  80.64,  21.87)    1.08                10
 12/28/2021   18:20:56   ( -80.64, 118.46) 12/28/2021   18:20:30  ( -80.65, 118.49)    0.59                26