Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 1 4.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/05/2012   19:12:45   (  68.41,-109.63) (  68.39,-109.64)    2.84                26
 01/05/2012   20:03:26   ( -68.30,  57.84) ( -68.28,  57.86)    2.17                45
 01/08/2012   10:38:57   ( -68.87,-161.75) ( -68.73,-160.99)   34.36                71
 01/08/2012   11:29:34   (  68.36,   6.23) (  68.34,   6.18)    2.85                 6
 01/08/2012   12:20:15   ( -68.24, 173.70) ( -68.23, 173.69)    0.82                65
 01/11/2012   02:55:38   ( -68.44, -45.40) ( -68.44, -45.46)    2.22                62
 01/11/2012   03:46:22   (  68.31, 122.08) (  68.32, 122.05)    2.12                15
 01/11/2012   04:36:55   ( -67.75, -69.91) ( -67.83, -70.90)   42.37                71
 01/13/2012   19:12:27   ( -68.39,  70.44) ( -68.41,  70.39)    2.70                41
 01/13/2012   20:03:11   (  68.27,-122.09) (  68.29,-122.10)    2.72                36
 01/16/2012   10:38:47   (  69.13,  17.92) (  69.02,  19.40)   60.37                69
 01/16/2012   11:29:16   ( -68.36,-173.72) ( -68.36,-173.78)    2.31                20
 01/16/2012   12:20:00   (  68.23,  -6.26) (  68.24,  -6.28)    0.96                57