Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2018 3 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)
 03/21/2018   23:30:36   ( -77.36,  20.01) 03/21/2018   23:29:49  ( -77.36,  19.94)    1.79                47
 03/22/2018   00:20:03   (  77.31,-172.57) 03/22/2018   00:20:53  (  77.30,-172.56)    0.49                50
 03/24/2018   05:04:18   (  77.38, 116.66) 03/24/2018   05:03:32  (  77.35, 116.65)    4.22                46
 03/24/2018   05:53:47   ( -77.31, -76.01) 03/24/2018   05:54:27  ( -77.32, -75.97)    1.94                40
 03/26/2018   10:38:02   ( -77.38,-146.78) 03/26/2018   10:37:06  ( -77.38,-146.82)    1.14                56
 03/26/2018   11:27:29   (  77.32,  20.61) 03/26/2018   11:28:11  (  77.34,  20.59)    2.25                42
 03/28/2018   16:11:44   (  77.39, -50.18) 03/28/2018   16:10:50  (  77.39, -50.24)    1.52                54
 03/28/2018   17:01:13   ( -77.32, 117.18) 03/28/2018   17:01:44  ( -77.35, 117.24)    3.32                31
 03/30/2018   21:45:28   ( -77.39,  46.38) 03/30/2018   21:44:23  ( -77.41,  46.36)    1.83                65
 03/30/2018   22:34:54   (  77.37,-146.06) 03/30/2018   22:35:28  (  77.36,-146.15)    2.89                34
 04/02/2018   03:19:10   (  77.39, 142.95) 04/02/2018   03:18:07  (  77.41, 142.97)    2.67                63