Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 4 18.  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)
 04/20/2017   04:42:47   (  81.32, 156.89) 04/20/2017   04:43:22  (  81.33, 156.89)    0.16                35
 04/20/2017   05:33:27   ( -81.33, -35.36) 04/20/2017   05:32:49  ( -81.32, -35.55)    3.27                38
 04/23/2017   00:17:08   (  81.33,-136.45) 04/23/2017   00:17:38  (  81.33,-136.54)    1.65                30
 04/23/2017   01:07:49   ( -81.33,  30.95) 04/23/2017   01:07:05  ( -81.33,  31.03)    1.45                44
 04/25/2017   19:51:29   (  81.33, -70.20) 04/25/2017   19:51:54  (  81.32, -70.39)    3.25                25
 04/25/2017   20:42:09   ( -81.33,  97.63) 04/25/2017   20:41:20  ( -81.34,  97.59)    0.88                49
 04/28/2017   15:25:51   (  81.32,  -3.96) 04/28/2017   15:26:10  (  81.32,  -3.88)    1.38                19
 04/28/2017   16:16:31   ( -81.33, 163.90) 04/28/2017   16:15:37  ( -81.32, 163.72)    3.18                54
 05/01/2017   11:00:12   (  81.33,  62.66) 05/01/2017   11:00:26  (  81.33,  62.60)    0.97                14