Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 5 23.  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, -62.30) 05/24/2018   06:58:25  ( -81.33, -62.41)    1.84                52
 05/24/2018   07:48:43   (  81.34, 105.46) 05/24/2018   07:49:04  (  81.34, 105.57)    1.88                21
 05/27/2018   02:33:29   ( -81.33,   4.11) 05/27/2018   02:32:41  ( -81.33,   4.22)    1.92                48
 05/27/2018   03:22:55   (  81.33, 171.85) 05/27/2018   03:23:21  (  81.34, 171.81)    0.66                26
 05/29/2018   22:07:42   ( -81.33,  70.50) 05/29/2018   22:06:59  ( -81.33,  70.46)    0.76                43
 05/29/2018   22:57:07   (  81.35,-121.42) 05/29/2018   22:57:38  (  81.34,-121.58)    2.88                31
 06/01/2018   17:41:55   ( -81.32, 136.86) 06/01/2018   17:41:17  ( -81.32, 136.67)    3.18                38
 06/01/2018   18:31:20   (  81.35, -55.09) 06/01/2018   18:31:55  (  81.35, -54.98)    1.84                35
 06/04/2018   13:16:06   ( -81.34,-156.43) 06/04/2018   13:15:32  ( -81.34,-156.35)    1.34                34