Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 12 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)
 12/23/2017   17:11:11   ( -81.31, 149.76) 12/23/2017   17:11:14  ( -81.32, 149.94)    3.02                 3
 12/23/2017   18:01:50   (  81.32, -42.29) 12/23/2017   18:00:40  (  81.33, -42.29)    0.43                70
 12/26/2017   11:54:53   (  81.31,  48.67) 12/26/2017   11:56:03  (  81.32,  48.77)    1.87                70
 12/26/2017   12:45:33   ( -81.32,-143.56) 12/26/2017   12:45:30  ( -81.32,-143.67)    1.83                 3
 12/29/2017   07:29:15   (  81.31, 115.29) 12/29/2017   07:30:19  (  81.31, 115.10)    3.13                64
 12/29/2017   08:19:56   ( -81.32, -77.29) 12/29/2017   08:19:46  ( -81.31, -77.31)    0.56                10
 01/01/2018   03:03:38   (  81.31,-178.51) 01/01/2018   03:04:35  (  81.31,-178.61)    1.70                57
 01/01/2018   03:54:18   ( -81.32, -10.66) 01/01/2018   03:54:01  ( -81.32, -10.62)    0.99                17
 01/03/2018   22:37:59   (  81.31,-111.94) 01/03/2018   22:38:49  (  81.32,-111.98)    0.69                50