Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 4 16.  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)
 04/19/2017   01:16:01   (  76.03, 169.04) 04/19/2017   01:15:39  (  76.05, 168.98)    2.59                22
 04/19/2017   02:05:30   ( -75.95, -23.56) 04/19/2017   02:06:37  ( -75.95, -23.42)    3.65                67
 04/21/2017   06:49:44   ( -76.06, -94.31) 04/21/2017   06:49:30  ( -76.06, -94.46)    4.01                14
 04/21/2017   07:39:15   (  75.79,  72.52) 04/21/2017   07:40:25  (  75.80,  73.73)   32.99                70
 04/23/2017   12:23:26   (  76.03,   2.19) 04/23/2017   12:23:20  (  76.03,   2.26)    1.86                 6
 04/23/2017   13:13:04   ( -75.52, 168.30) 04/23/2017   13:14:09  ( -75.47, 171.43)   87.14                65
 04/25/2017   17:57:09   ( -76.06,  98.83) 04/25/2017   17:57:12  ( -76.04,  98.82)    2.43                 3
 04/27/2017   22:41:20   ( -76.30,  28.52) 04/27/2017   22:40:10  ( -76.38,  26.89)   43.62                70
 04/27/2017   23:30:50   (  76.08,-164.55) 04/27/2017   23:31:02  (  76.07,-164.69)    3.92                12
 04/30/2017   04:15:04   (  76.12, 124.50) 04/30/2017   04:13:52  (  76.13, 124.43)    2.73                72
 04/30/2017   05:04:33   ( -76.05, -68.06) 04/30/2017   05:04:53  ( -76.04, -67.98)    2.87                20