Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 4 21.  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)
 04/23/2017   00:17:08   (  81.33,-136.61) 04/23/2017   00:17:38  (  81.32,-136.78)    3.01                30
 04/23/2017   01:07:48   ( -81.33,  31.16) 04/23/2017   01:07:04  ( -81.33,  31.14)    0.29                44
 04/25/2017   19:51:30   (  81.32, -70.37) 04/25/2017   19:51:54  (  81.32, -70.30)    1.28                24
 04/25/2017   20:42:09   ( -81.33,  97.83) 04/25/2017   20:41:20  ( -81.34,  97.64)    3.15                49
 04/28/2017   15:25:51   (  81.33,  -3.75) 04/28/2017   15:26:10  (  81.32,  -3.85)    1.80                19
 04/28/2017   16:16:31   ( -81.33, 164.08) 04/28/2017   16:15:36  ( -81.34, 164.10)    0.56                55
 05/01/2017   11:00:12   (  81.32,  62.45) 05/01/2017   11:00:25  (  81.32,  62.56)    1.85                13
 05/01/2017   11:50:51   ( -81.34,-129.29) 05/01/2017   11:49:51  ( -81.34,-129.47)    3.06                60
 05/04/2017   06:34:32   (  81.33, 129.43) 05/04/2017   06:34:40  (  81.34, 129.31)    1.97                 8