Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 3 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)
 03/23/2017   01:49:52   ( -81.32,  19.96) 03/23/2017   01:50:19  ( -81.31,  19.95)    0.66                27
 03/23/2017   02:40:32   (  81.32,-172.32) 03/23/2017   02:39:45  (  81.31,-172.35)    0.96                47
 03/25/2017   21:24:14   ( -81.32,  86.46) 03/25/2017   21:24:34  ( -81.32,  86.52)    0.89                20
 03/25/2017   22:14:54   (  81.32,-105.86) 03/25/2017   22:14:00  (  81.32,-105.80)    1.05                54
 03/28/2017   16:58:35   ( -81.32, 152.95) 03/28/2017   16:58:48  ( -81.32, 153.04)    1.47                13
 03/28/2017   17:49:15   (  81.32, -39.42) 03/28/2017   17:48:14  (  81.32, -39.30)    1.97                61
 03/31/2017   12:32:57   ( -81.32,-140.57) 03/31/2017   12:33:03  ( -81.32,-140.48)    1.53                 6
 03/31/2017   13:23:37   (  81.32,  27.02) 03/31/2017   13:22:29  (  81.32,  27.16)    2.46                68
 04/03/2017   07:16:39   (  81.32, 118.16) 04/03/2017   07:17:51  (  81.32, 118.28)    2.17                72
 04/03/2017   08:07:19   ( -81.32, -74.10) 04/03/2017   08:07:18  ( -81.32, -74.05)    1.03                 1