Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2017 12 17.  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)
 12/18/2017   23:11:01   (  81.11,-128.11) 12/18/2017   23:09:48  (  81.11,-128.23)    2.20                73
 12/19/2017   00:00:27   ( -81.13,  39.84) 12/19/2017   00:00:27  ( -81.14,  39.85)    0.30                 0
 12/19/2017   00:49:52   (  81.16,-152.06) 12/19/2017   00:51:06  (  81.16,-152.22)    2.75                74
 12/21/2017   18:45:17   (  81.11, -61.70) 12/21/2017   18:44:10  (  81.12, -61.56)    2.47                67
 12/21/2017   19:34:43   ( -81.13, 106.27) 12/21/2017   19:34:50  ( -81.13, 106.19)    1.44                 7
 12/24/2017   14:19:32   (  81.11,   4.68) 12/24/2017   14:18:32  (  81.11,   4.72)    0.99                60
 12/24/2017   15:08:58   ( -81.13, 172.67) 12/24/2017   15:09:12  ( -81.13, 172.51)    2.76                14
 12/27/2017   09:53:47   (  81.13,  71.38) 12/27/2017   09:52:54  (  81.12,  71.35)    0.56                53
 12/27/2017   10:43:13   ( -81.15,-120.61) 12/27/2017   10:43:33  ( -81.15,-120.44)    2.90                20
 12/30/2017   05:28:03   (  81.12, 137.68) 12/30/2017   05:27:17  (  81.12, 137.59)    1.49                46