Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 5 30.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/31/2012   11:28:34   (  68.27,   6.25) (  68.28,   6.19)    2.83                53
 05/31/2012   12:19:16   ( -68.19, 173.67) ( -68.17, 173.70)    1.93                19
 05/31/2012   13:09:45   (  67.25, -17.88) (  67.33, -19.62)   75.36                68
 06/03/2012   03:45:26   (  68.25, 122.04) (  68.23, 122.02)    2.89                28
 06/03/2012   04:36:07   ( -68.12, -70.46) ( -68.12, -70.47)    1.01                43
 06/05/2012   19:11:39   ( -68.62,  70.03) ( -68.51,  70.60)   26.56                71
 06/05/2012   20:02:17   (  68.19,-122.09) (  68.22,-122.10)    3.41                 3
 06/05/2012   20:52:58   ( -68.04,  45.41) ( -68.06,  45.34)    3.09                67
 06/08/2012   11:28:25   ( -68.29,-173.75) ( -68.32,-173.74)    3.36                54
 06/08/2012   12:19:09   (  68.18,  -6.30) (  68.20,  -6.24)    3.30                23
 06/08/2012   13:09:38   ( -67.38, 161.99) ( -67.42, 160.51)   63.44                70
 06/11/2012   02:54:53   (  69.34, 133.29) (  69.27, 135.73)   95.92                66
 06/11/2012   03:45:15   ( -68.22, -57.89) ( -68.23, -57.95)    2.61                30
 06/11/2012   04:35:59   (  68.12, 109.56) (  68.10, 109.55)    1.43                47