Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 4 3.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/05/2012   10:38:39   (  68.74,  18.25) (  68.60,  18.96)   32.74                71
 04/05/2012   11:29:14   ( -68.29,-173.84) ( -68.26,-173.82)    3.04                10
 04/05/2012   12:19:58   (  68.15,  -6.37) (  68.15,  -6.31)    2.58                67
 04/08/2012   02:55:26   (  68.33, 134.55) (  68.34, 134.53)    1.17                54
 04/08/2012   03:46:07   ( -68.20, -57.96) ( -68.23, -57.96)    3.20                17
 04/08/2012   04:36:38   (  67.36, 110.37) (  67.44, 108.77)   68.67                69
 04/10/2012   19:12:19   (  68.29,-109.64) (  68.28,-109.63)    1.00                26
 04/10/2012   20:03:00   ( -68.16,  57.85) ( -68.18,  57.87)    2.02                45
 04/13/2012   10:38:31   ( -68.49,-161.44) ( -68.45,-161.18)   11.58                71
 04/13/2012   11:29:12   (  68.20,   6.25) (  68.22,   6.18)    2.94                 1
 04/13/2012   12:19:54   ( -68.13, 173.66) ( -68.11, 173.70)    1.88                73
 04/16/2012   02:55:22   ( -68.30, -45.41) ( -68.31, -45.45)    2.48                47
 04/16/2012   03:46:06   (  68.17, 122.06) (  68.19, 122.05)    2.62                30
 04/16/2012   04:36:30   ( -67.12, -69.35) ( -67.14, -71.51)   93.50                67