Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 12 28.  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)
 12/28/2017   23:47:57   (  81.28,-134.75) 12/28/2017   23:47:02  (  81.28,-134.73)    0.35                55
 12/29/2017   00:37:23   ( -81.29,  33.16) 12/29/2017   00:37:42  ( -81.29,  33.05)    1.95                19
 12/31/2017   19:22:11   (  81.28, -68.20) 12/31/2017   19:21:21  (  81.28, -68.31)    1.87                50
 12/31/2017   20:11:37   ( -81.30,  99.74) 12/31/2017   20:12:00  ( -81.30,  99.88)    2.35                23
 01/03/2018   14:56:25   (  81.29,  -1.69) 01/03/2018   14:55:39  (  81.29,  -1.51)    3.08                46
 01/03/2018   15:45:52   ( -81.28, 165.89) 01/03/2018   15:46:20  ( -81.29, 165.91)    0.59                28
 01/06/2018   10:30:38   (  81.29,  64.78) 01/06/2018   10:29:57  (  81.29,  64.88)    1.80                41
 01/06/2018   11:20:05   ( -81.29,-127.61) 01/06/2018   11:20:38  ( -81.29,-127.69)    1.33                33
 01/09/2018   06:04:52   (  81.29, 131.21) 01/09/2018   06:04:16  (  81.28, 131.26)    0.92                36