Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 7 28.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/29/2013   10:39:09   (  68.65,  18.38) (  68.58,  18.88)   22.00                71
 07/29/2013   11:29:46   ( -68.29,-173.84) ( -68.31,-173.81)    1.71                 7
 07/29/2013   12:20:30   (  68.17,  -6.37) (  68.14,  -6.37)    2.92                69
 08/01/2013   02:56:03   (  68.38, 134.50) (  68.35, 134.47)    3.27                52
 08/01/2013   03:46:44   ( -68.23, -58.00) ( -68.25, -58.02)    1.48                19
 08/01/2013   04:37:14   (  67.35, 110.40) (  67.40, 108.66)   74.64                69
 08/03/2013   18:22:36   ( -69.46,  81.47) ( -69.39,  84.01)   99.53                66
 08/03/2013   19:13:00   (  68.32,-109.67) (  68.33,-109.68)    1.12                25
 08/03/2013   20:03:41   ( -68.18,  57.83) ( -68.17,  57.77)    2.70                45
 08/06/2013   10:39:16   ( -68.50,-161.44) ( -68.47,-161.28)    7.19                72
 08/06/2013   11:29:59   (  68.32,   6.10) (  68.30,   6.15)    3.44                 3
 08/06/2013   12:20:40   ( -68.18, 173.60) ( -68.15, 173.61)    3.30                73
 08/09/2013   02:56:13   ( -68.39, -45.54) ( -68.38, -45.52)    1.63                47
 08/09/2013   03:46:57   (  68.27, 121.93) (  68.25, 121.98)    2.53                30
 08/09/2013   04:37:21   ( -67.21, -69.45) ( -67.27, -71.52)   89.29                68