Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 6 26.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/27/2012   03:44:56   ( -68.33, -57.95) ( -68.33, -57.92)    1.22                70
 06/27/2012   04:35:39   (  68.17, 109.57) (  68.17, 109.53)    1.53                 5
 06/27/2012   05:26:18   ( -67.91, -82.80) ( -67.94, -83.10)   13.15                72
 06/29/2012   20:01:47   ( -68.29,  57.88) ( -68.29,  57.91)    1.28                50
 06/29/2012   20:52:30   (  68.13,-134.61) (  68.13,-134.65)    1.65                25
 06/29/2012   21:42:57   ( -67.23,  33.81) ( -67.29,  32.04)   76.47                69
 07/02/2012   11:28:14   (  69.38,   4.88) (  69.30,   7.41)   99.62                66
 07/02/2012   12:18:37   ( -68.26, 173.71) ( -68.25, 173.72)    1.42                30
 07/02/2012   13:09:20   (  68.10, -18.78) (  68.08, -18.83)    3.02                45
 07/05/2012   03:44:52   (  68.64, 121.67) (  68.57, 122.36)   29.24                71
 07/05/2012   04:35:28   ( -68.22, -70.46) ( -68.19, -70.47)    3.00                10
 07/05/2012   05:26:11   (  68.06,  97.04) (  68.07,  97.04)    1.46                66
 07/07/2012   20:01:37   (  68.28,-122.08) (  68.28,-122.12)    1.57                61
 07/07/2012   20:52:19   ( -68.18,  45.37) ( -68.18,  45.40)    1.13                11
 07/07/2012   21:42:54   (  67.59,-146.59) (  67.61,-147.61)   43.35                71