Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 1 12.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/13/2012   19:12:28   ( -68.43,  70.39) ( -68.44,  70.43)    2.05                40
 01/13/2012   20:03:12   (  68.30,-122.13) (  68.28,-122.12)    2.39                36
 01/16/2012   10:38:48   (  69.17,  17.87) (  69.07,  19.47)   64.39                68
 01/16/2012   11:29:17   ( -68.40,-173.78) ( -68.41,-173.72)    2.63                19
 01/16/2012   12:20:01   (  68.27,  -6.31) (  68.24,  -6.28)    3.35                57
 01/19/2012   02:55:23   (  68.45, 134.62) (  68.46, 134.60)    1.87                70
 01/19/2012   03:46:05   ( -68.37, -57.96) ( -68.36, -57.89)    3.18                 2
 01/19/2012   04:36:45   (  68.03, 109.78) (  68.07, 109.41)   16.07                72
 01/21/2012   19:12:12   (  68.44,-109.58) (  68.45,-109.53)    2.46                48
 01/21/2012   20:02:53   ( -68.31,  57.91) ( -68.30,  57.92)    1.17                22
 01/21/2012   20:53:20   (  67.26,-133.50) (  67.33,-135.54)   88.04                67
 01/24/2012   11:29:00   (  68.39,   6.28) (  68.37,   6.26)    2.08                28
 01/24/2012   12:19:41   ( -68.25, 173.78) ( -68.27, 173.78)    2.56                43