Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 5 21.  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)
 05/24/2018   06:59:17   ( -81.33, -62.35) 05/24/2018   06:58:25  ( -81.33, -62.46)    1.78                52
 05/24/2018   07:48:43   (  81.33, 105.39) 05/24/2018   07:49:04  (  81.34, 105.51)    2.00                21
 05/27/2018   02:33:29   ( -81.33,   4.06) 05/27/2018   02:32:41  ( -81.33,   4.18)    2.14                48
 05/27/2018   03:22:55   (  81.33, 171.77) 05/27/2018   03:23:21  (  81.34, 171.75)    0.67                26
 05/29/2018   22:07:42   ( -81.32,  70.44) 05/29/2018   22:06:59  ( -81.33,  70.43)    0.50                43
 05/29/2018   22:57:07   (  81.35,-121.49) 05/29/2018   22:57:38  (  81.34,-121.62)    2.27                31
 06/01/2018   17:41:54   ( -81.34, 137.17) 06/01/2018   17:41:16  ( -81.33, 137.05)    2.27                38
 06/01/2018   18:31:20   (  81.34, -55.17) 06/01/2018   18:31:55  (  81.34, -55.01)    2.81                35
 06/04/2018   13:16:06   ( -81.33,-156.51) 06/04/2018   13:15:32  ( -81.34,-156.34)    2.78                34