Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 5 27.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/29/2013   02:55:51   (  68.33, 134.43) (  68.31, 134.43)    2.12                67
 05/29/2013   03:46:32   ( -68.21, -58.10) ( -68.20, -58.07)    1.53                 4
 05/29/2013   04:37:11   (  67.80, 109.73) (  67.87, 109.19)   24.17                72
 05/31/2013   19:12:45   (  68.27,-109.71) (  68.28,-109.74)    1.48                44
 05/31/2013   20:03:26   ( -68.14,  57.77) ( -68.17,  57.77)    3.15                27
 06/03/2013   10:39:11   ( -69.20,-162.49) ( -69.11,-160.47)   80.67                68
 06/03/2013   11:29:40   (  68.27,   6.07) (  68.27,   6.13)    2.83                19
 06/03/2013   12:20:21   ( -68.14, 173.55) ( -68.11, 173.58)    2.84                51
 06/06/2013   02:55:51   ( -68.40, -45.63) ( -68.36, -45.53)    6.34                71
 06/06/2013   03:46:34   (  68.22, 121.91) (  68.24, 121.97)    3.49                 5
 06/06/2013   04:37:14   ( -68.03, -70.54) ( -68.03, -70.65)    4.60                73
 06/08/2013   19:12:43   ( -68.30,  70.27) ( -68.30,  70.28)    0.14                48
 06/08/2013   20:03:27   (  68.18,-122.26) (  68.18,-122.22)    1.51                29
 06/08/2013   20:53:51   ( -67.12,  46.35) ( -67.19,  44.28)   89.35                67