Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 4 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)
 04/21/2017   06:49:44   ( -76.03, -94.41) 04/21/2017   06:49:29  ( -76.04, -94.40)    1.99                15
 04/21/2017   07:39:14   (  75.81,  72.59) 04/21/2017   07:40:24  (  75.78,  73.80)   33.24                70
 04/23/2017   12:23:25   (  76.06,   2.26) 04/23/2017   12:23:20  (  76.05,   2.17)    2.58                 5
 04/23/2017   13:13:04   ( -75.49, 168.21) 04/23/2017   13:14:09  ( -75.50, 171.33)   86.85                65
 04/25/2017   17:57:09   ( -76.03,  98.74) 04/25/2017   17:57:11  ( -76.02,  98.88)    3.83                 2
 04/27/2017   22:41:20   ( -76.27,  28.42) 04/27/2017   22:40:09  ( -76.36,  26.95)   39.87                71
 04/27/2017   23:30:50   (  76.05,-164.63) 04/27/2017   23:31:01  (  76.05,-164.62)    0.35                11
 04/30/2017   04:15:04   (  76.14, 124.57) 04/30/2017   04:13:52  (  76.11, 124.50)    3.30                72
 04/30/2017   05:04:33   ( -76.07, -68.01) 04/30/2017   05:04:54  ( -76.06, -68.08)    1.93                21
 05/02/2017   09:48:48   ( -76.11,-138.96) 05/02/2017   09:47:45  ( -76.10,-138.88)    2.19                63
 05/02/2017   10:38:14   (  76.08,  28.59) 05/02/2017   10:38:42  (  76.06,  28.54)    2.20                28
 05/04/2017   15:22:29   (  76.11, -42.38) 05/04/2017   15:21:33  (  76.13, -42.36)    2.17                56