Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 1 2.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/03/2012   02:55:56   (  68.46, 134.53) (  68.44, 134.54)    1.73                46
 01/03/2012   03:46:37   ( -68.34, -58.00) ( -68.33, -57.96)    2.24                25
 01/03/2012   04:37:03   (  67.23, 110.67) (  67.27, 108.46)   95.26                67
 01/05/2012   19:12:44   (  68.40,-109.61) (  68.41,-109.62)    1.44                26
 01/05/2012   20:03:25   ( -68.28,  57.86) ( -68.30,  57.88)    2.33                45
 01/08/2012   10:38:56   ( -68.85,-161.73) ( -68.74,-160.97)   32.82                71
 01/08/2012   11:29:33   (  68.34,   6.25) (  68.35,   6.19)    2.49                 6
 01/08/2012   12:20:14   ( -68.22, 173.72) ( -68.25, 173.70)    2.89                65
 01/11/2012   02:55:39   ( -68.48, -45.45) ( -68.45, -45.45)    3.51                61
 01/11/2012   03:46:23   (  68.35, 122.03) (  68.33, 122.05)    2.35                16
 01/11/2012   04:36:55   ( -67.74, -69.89) ( -67.83, -70.89)   43.50                71
 01/13/2012   19:12:28   ( -68.43,  70.39) ( -68.40,  70.39)    3.08                40
 01/13/2012   20:03:12   (  68.30,-122.13) (  68.28,-122.11)    2.61                37