Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2018 1 17.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2018   00:29:50   (  81.32,-140.04) 01/18/2018   00:30:04  (  81.32,-139.91)    2.16                14
 01/18/2018   01:20:30   ( -81.32,  27.79) 01/18/2018   01:19:31  ( -81.31,  27.67)    2.34                59
 01/20/2018   20:04:12   (  81.32, -73.53) 01/20/2018   20:04:19  (  81.31, -73.50)    0.60                 7
 01/20/2018   20:54:52   ( -81.32,  94.32) 01/20/2018   20:53:45  ( -81.33,  94.47)    2.76                67
 01/23/2018   14:47:55   ( -81.31,-174.84) 01/23/2018   14:49:08  ( -81.31,-174.83)    0.64                73
 01/23/2018   15:38:34   (  81.32,  -7.03) 01/23/2018   15:38:34  (  81.31,  -7.14)    2.00                 0
 01/23/2018   16:29:14   ( -81.32, 160.83) 01/23/2018   16:28:00  ( -81.33, 160.85)    0.62                74
 01/26/2018   10:22:15   ( -81.32,-107.97) 01/26/2018   10:23:21  ( -81.32,-108.12)    2.56                66
 01/26/2018   11:12:55   (  81.32,  59.44) 01/26/2018   11:12:47  (  81.32,  59.56)    2.03                 8
 01/29/2018   05:56:38   ( -81.31, -41.89) 01/29/2018   05:57:36  ( -81.31, -41.83)    1.02                58