Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 4 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)
 04/23/2017   00:17:08   (  81.32,-136.70) 04/23/2017   00:17:37  (  81.33,-136.58)    2.18                29
 04/23/2017   01:07:48   ( -81.33,  31.07) 04/23/2017   01:07:04  ( -81.32,  30.98)    1.76                44
 04/25/2017   19:51:30   (  81.32, -70.45) 04/25/2017   19:51:53  (  81.32, -70.26)    3.24                23
 04/25/2017   20:42:09   ( -81.33,  97.75) 04/25/2017   20:41:19  ( -81.34,  97.69)    1.17                50
 04/28/2017   15:25:51   (  81.33,  -3.82) 04/28/2017   15:26:08  (  81.33,  -3.68)    2.43                17
 04/28/2017   16:16:31   ( -81.33, 164.02) 04/28/2017   16:15:35  ( -81.33, 163.91)    2.06                56
 05/01/2017   11:00:11   (  81.33,  62.80) 05/01/2017   11:00:22  (  81.33,  62.78)    0.39                11
 05/01/2017   11:50:52   ( -81.33,-129.72) 05/01/2017   11:49:49  ( -81.33,-129.62)    1.74                63
 05/04/2017   06:34:33   (  81.33, 129.01) 05/04/2017   06:34:37  (  81.33, 129.12)    1.96                 4