Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 5 11.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 05/12/2017   07:06:01   ( -81.20, -65.27) 05/12/2017   07:05:38  ( -81.21, -65.10)    2.98                23
 05/12/2017   07:55:27   (  81.21, 102.49) 05/12/2017   07:56:18  (  81.21, 102.47)    0.47                51
 05/15/2017   02:40:18   ( -81.21,   1.30) 05/15/2017   02:39:59  ( -81.21,   1.46)    2.63                19
 05/15/2017   03:29:44   (  81.22, 169.03) 05/15/2017   03:30:39  (  81.22, 169.01)    0.26                55
 05/17/2017   22:14:36   ( -81.20,  67.47) 05/17/2017   22:14:21  ( -81.20,  67.61)    2.50                15
 05/17/2017   23:04:01   (  81.22,-124.46) 05/17/2017   23:05:00  (  81.22,-124.46)    0.05                59
 05/20/2017   17:48:52   ( -81.20, 133.98) 05/20/2017   17:48:41  ( -81.21, 134.12)    2.55                11
 05/20/2017   18:38:17   (  81.22, -57.97) 05/20/2017   18:39:20  (  81.22, -57.94)    0.46                63
 05/23/2017   13:23:09   ( -81.20,-159.54) 05/23/2017   13:23:02  ( -81.21,-159.38)    2.85                 7