Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2018 1 19.  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)
 01/20/2018   20:04:11   (  81.32, -73.32) 01/20/2018   20:04:18  (  81.32, -73.34)    0.41                 7
 01/20/2018   20:54:52   ( -81.32,  94.10) 01/20/2018   20:53:45  ( -81.32,  94.26)    2.66                67
 01/23/2018   14:47:54   ( -81.32,-174.67) 01/23/2018   14:49:07  ( -81.31,-174.70)    0.55                73
 01/23/2018   15:38:33   (  81.32,  -6.82) 01/23/2018   15:38:33  (  81.32,  -7.01)    3.26                 0
 01/23/2018   16:29:12   ( -81.33, 161.40) 01/23/2018   16:27:58  ( -81.36, 161.37)    2.70                74
 01/26/2018   10:22:16   ( -81.32,-108.17) 01/26/2018   10:23:21  ( -81.33,-108.03)    2.60                65
 01/26/2018   11:12:55   (  81.32,  59.66) 01/26/2018   11:12:47  (  81.33,  59.64)    0.67                 8
 01/29/2018   05:56:37   ( -81.32, -41.70) 01/29/2018   05:57:35  ( -81.31, -41.81)    1.84                58
 01/29/2018   06:47:17   (  81.32, 125.73) 01/29/2018   06:47:01  (  81.32, 125.84)    1.91                16
 02/01/2018   01:30:59   ( -81.32,  24.76) 02/01/2018   01:31:49  ( -81.32,  24.74)    0.42                50