Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2018 4 21.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2018   16:59:15   (  81.15, -35.21) 04/21/2018   16:58:53  (  81.15, -35.16)    0.86                22
 04/21/2018   17:48:41   ( -81.16, 132.70) 04/21/2018   17:49:33  ( -81.16, 132.51)    3.15                52
 04/24/2018   12:33:29   (  81.14,  31.17) 04/24/2018   12:33:14  (  81.15,  31.24)    1.52                15
 04/24/2018   13:22:54   ( -81.16,-160.90) 04/24/2018   13:23:53  ( -81.16,-161.04)    2.27                59
 04/27/2018   08:07:41   (  81.16,  97.87) 04/27/2018   08:07:33  (  81.16,  98.01)    2.48                 8
 04/27/2018   08:57:07   ( -81.18, -94.18) 04/27/2018   08:58:13  ( -81.18, -94.22)    0.85                66
 04/30/2018   02:52:30   ( -81.12,  -3.88) 04/30/2018   02:51:16  ( -81.13,  -3.80)    1.58                74
 04/30/2018   03:41:55   (  81.15, 164.16) 04/30/2018   03:41:55  (  81.15, 164.01)    2.62                 0
 04/30/2018   04:31:21   ( -81.17, -27.86) 04/30/2018   04:32:34  ( -81.18, -27.80)    1.08                73
 05/02/2018   22:26:43   ( -81.14,  62.77) 05/02/2018   22:25:37  ( -81.13,  62.61)    2.82                66