Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 1 20.  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)
 01/23/2018   07:56:00   (  81.29, 103.40) 01/23/2018   07:55:49  (  81.29, 103.35)    0.95                11
 01/23/2018   08:45:26   ( -81.31, -88.68) 01/23/2018   08:46:28  ( -81.31, -88.62)    0.94                62
 01/26/2018   03:30:12   (  81.30, 170.01) 01/26/2018   03:30:06  (  81.30, 170.02)    0.45                 6
 01/26/2018   04:19:39   ( -81.30, -22.43) 01/26/2018   04:20:46  ( -81.30, -22.34)    1.79                67
 01/28/2018   22:15:12   ( -81.00,  64.11) 01/28/2018   22:13:58  ( -81.13,  63.74)   16.10                74
 01/28/2018   23:04:26   (  81.28,-123.82) 01/28/2018   23:04:25  (  81.29,-123.71)    1.97                 1
 01/28/2018   23:53:52   ( -81.30,  44.15) 01/28/2018   23:55:04  ( -81.31,  44.32)    2.89                72
 01/31/2018   17:49:13   ( -81.29, 135.03) 01/31/2018   17:48:04  ( -81.28, 134.95)    1.37                69
 01/31/2018   18:38:39   (  81.29, -57.30) 01/31/2018   18:38:44  (  81.29, -57.46)    2.73                 5
 02/03/2018   13:23:25   ( -81.29,-158.48) 02/03/2018   13:22:21  ( -81.29,-158.43)    0.87                64