Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2018 1 20.  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)
 01/23/2018   14:47:54   ( -81.32,-174.69) 01/23/2018   14:49:07  ( -81.31,-174.71)    0.42                73
 01/23/2018   15:38:33   (  81.32,  -6.84) 01/23/2018   15:38:33  (  81.32,  -7.03)    3.27                 0
 01/23/2018   16:29:12   ( -81.33, 161.37) 01/23/2018   16:27:58  ( -81.35, 161.35)    2.60                74
 01/26/2018   10:22:16   ( -81.32,-108.20) 01/26/2018   10:23:21  ( -81.33,-108.05)    2.74                65
 01/26/2018   11:12:55   (  81.32,  59.64) 01/26/2018   11:12:47  (  81.33,  59.62)    0.59                 8
 01/29/2018   05:56:37   ( -81.32, -41.73) 01/29/2018   05:57:35  ( -81.31, -41.82)    1.66                58
 01/29/2018   06:47:17   (  81.32, 125.71) 01/29/2018   06:47:01  (  81.31, 125.83)    1.99                16
 02/01/2018   01:30:59   ( -81.32,  24.73) 02/01/2018   01:31:49  ( -81.32,  24.72)    0.20                50
 02/01/2018   02:21:39   (  81.32,-167.84) 02/01/2018   02:21:15  (  81.32,-167.64)    3.28                24
 02/03/2018   21:05:21   ( -81.32,  91.16) 02/03/2018   21:06:03  ( -81.32,  91.20)    0.73                42