Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2017 4 18.  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   (  76.01, 168.99) 04/19/2017   01:15:38  (  76.02, 169.09)    2.71                23
 04/19/2017   02:05:29   ( -75.98, -23.46) 04/19/2017   02:06:37  ( -75.97, -23.48)    1.71                68
 04/21/2017   06:49:44   ( -76.04, -94.37) 04/21/2017   06:49:29  ( -76.03, -94.36)    0.73                15
 04/21/2017   07:39:14   (  75.82,  72.62) 04/21/2017   07:40:25  (  75.81,  73.67)   28.77                71
 04/23/2017   12:23:26   (  76.02,   2.14) 04/23/2017   12:23:20  (  76.04,   2.20)    3.09                 6
 04/23/2017   13:13:04   ( -75.50, 168.25) 04/23/2017   13:14:09  ( -75.49, 171.37)   86.73                65
 04/25/2017   17:57:09   ( -76.04,  98.78) 04/25/2017   17:57:12  ( -76.06,  98.75)    1.67                 3
 04/27/2017   22:41:20   ( -76.29,  28.47) 04/27/2017   22:40:09  ( -76.35,  26.98)   39.96                71
 04/27/2017   23:30:50   (  76.06,-164.59) 04/27/2017   23:31:01  (  76.04,-164.60)    2.15                11
 04/30/2017   04:15:05   (  76.11, 124.47) 04/30/2017   04:13:52  (  76.11, 124.51)    1.25                73
 04/30/2017   05:04:34   ( -76.04, -68.10) 04/30/2017   05:04:54  ( -76.06, -68.06)    2.44                20
 05/02/2017   09:48:48   ( -76.13,-138.89) 05/02/2017   09:47:45  ( -76.10,-138.88)    2.74                63