Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2018 12 12.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2018   02:58:20   (  81.44,-174.60) 12/12/2018   02:58:19  (  81.43,-174.65)    1.32                 1
 12/12/2018   03:48:52   ( -81.41,  -3.75) 12/12/2018   03:47:38  ( -81.56,  -3.97)   16.68                74
 12/14/2018   21:41:54   ( -81.44,  84.33) 12/14/2018   21:43:07  ( -81.43,  84.18)    2.58                73
 12/14/2018   22:32:34   (  81.44,-108.16) 12/14/2018   22:32:33  (  81.44,-108.05)    1.81                 1
 12/14/2018   23:23:11   ( -81.43,  60.74) 12/14/2018   23:21:57  ( -81.48,  60.67)    6.26                74
 12/17/2018   17:16:09   ( -81.44, 150.79) 12/17/2018   17:17:22  ( -81.43, 150.70)    1.56                73
 12/17/2018   18:06:49   (  81.44, -41.74) 12/17/2018   18:06:48  (  81.44, -41.56)    2.86                 1
 12/17/2018   18:57:28   ( -81.43, 126.41) 12/17/2018   18:56:14  ( -81.45, 126.40)    2.15                74
 12/20/2018   12:50:24   ( -81.44,-142.76) 12/20/2018   12:51:37  ( -81.43,-142.89)    2.17                73
 12/20/2018   13:41:04   (  81.44,  24.68) 12/20/2018   13:41:03  (  81.44,  24.82)    2.36                 1
 12/20/2018   14:31:42   ( -81.43,-166.75) 12/20/2018   14:30:28  ( -81.47,-166.80)    4.30                74
 12/23/2018   08:24:38   ( -81.44, -76.34) 12/23/2018   08:25:50  ( -81.44, -76.20)    2.35                72
 12/23/2018   09:15:17   (  81.44,  91.47) 12/23/2018   09:15:16  (  81.45,  91.48)    1.09                 1