Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2020 12 20.  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)
 12/21/2020   03:56:01   ( -80.13, -30.29) 12/21/2020   03:55:06  ( -80.12, -30.24)    1.20                55
 12/21/2020   04:45:27   (  80.13, 137.37) 12/21/2020   04:46:05  (  80.11, 137.29)    3.48                38
 12/23/2020   10:19:11   ( -80.14,-126.03) 12/23/2020   10:19:19  ( -80.11,-126.07)    2.61                 8
 12/25/2020   15:52:54   (  80.14, -29.47) 12/25/2020   15:52:34  (  80.14, -29.62)    2.92                20
 12/25/2020   16:42:22   ( -80.11, 137.91) 12/25/2020   16:43:33  ( -80.13, 137.78)    3.37                71
 12/27/2020   21:26:38   ( -80.14,  67.12) 12/27/2020   21:25:47  ( -80.15,  66.97)    3.19                51
 12/27/2020   22:16:04   (  80.14,-125.27) 12/27/2020   22:16:47  (  80.12,-125.29)    2.09                43
 12/30/2020   03:49:48   ( -80.14, -28.68) 12/30/2020   03:49:59  ( -80.12, -28.56)    2.92                11
 01/01/2021   09:23:30   (  80.16,  68.08) 01/01/2021   09:23:15  (  80.13,  68.04)    3.01                15