Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2014 12 11.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2014   13:26:11   ( -69.22, 158.07) 12/12/2014   13:27:04  ( -69.25, 158.05)    3.40                53
 12/12/2014   14:16:55   (  69.09, -34.45) 12/12/2014   14:16:32  (  69.09, -34.51)    2.38                23
 12/12/2014   15:07:23   ( -68.26, 133.96) 12/12/2014   15:06:14  ( -68.31, 132.15)   74.70                69
 12/15/2014   05:43:03   ( -69.22, -86.16) 12/15/2014   05:43:31  ( -69.21, -86.11)    2.35                28
 12/15/2014   06:33:46   (  69.04,  81.39) 12/15/2014   06:32:59  (  69.05,  81.33)    2.68                47
 12/17/2014   21:09:14   (  69.41,-137.98) 12/17/2014   21:10:25  (  69.36,-137.65)   14.08                71
 12/17/2014   21:59:52   ( -69.11,  29.75) 12/17/2014   21:59:57  ( -69.14,  29.69)    3.31                 5
 12/17/2014   22:50:37   (  69.04,-162.85) 12/17/2014   22:49:24  (  69.03,-162.80)    2.59                73
 12/20/2014   13:26:02   (  69.21, -21.93) 12/20/2014   13:26:53  (  69.20, -21.96)    1.63                51
 12/20/2014   14:16:43   ( -69.07, 145.58) 12/20/2014   14:16:23  ( -69.09, 145.53)    2.77                20
 12/20/2014   15:07:12   (  68.14, -45.89) 12/20/2014   15:06:04  (  68.19, -47.93)   84.67                68
 12/23/2014   05:42:53   (  69.17,  93.90) 12/23/2014   05:43:18  (  69.17,  93.90)    0.25                25
 12/23/2014   06:33:34   ( -69.03, -98.60) 12/23/2014   06:32:48  ( -69.06, -98.61)    3.09                46