Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 5 25.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/26/2012   02:55:11   (  69.38, 133.19) (  69.30, 135.68)   98.44                66
 05/26/2012   03:45:33   ( -68.23, -57.95) ( -68.24, -58.00)    2.40                31
 05/26/2012   04:36:17   (  68.10, 109.52) (  68.13, 109.51)    2.95                46
 05/28/2012   19:11:47   (  68.49,-109.83) (  68.43,-109.53)   14.46                72
 05/28/2012   20:02:25   ( -68.20,  57.87) ( -68.21,  57.85)    1.47                 6
 05/28/2012   20:53:09   (  68.07,-134.66) (  68.09,-134.65)    2.09                71
 05/31/2012   11:28:36   (  68.30,   6.20) (  68.31,   6.23)    1.53                51
 05/31/2012   12:19:17   ( -68.17, 173.69) ( -68.15, 173.67)    1.51                19
 05/31/2012   13:09:46   (  67.23, -17.86) (  67.30, -19.65)   77.38                68
 06/03/2012   03:45:26   (  68.22, 122.08) (  68.23, 122.03)    2.52                27
 06/03/2012   04:36:08   ( -68.13, -70.49) ( -68.13, -70.46)    1.25                45
 06/05/2012   19:11:38   ( -68.52,  70.16) ( -68.48,  70.57)   17.30                71
 06/05/2012   20:02:18   (  68.19,-122.11) (  68.19,-122.13)    1.47                 1
 06/05/2012   20:53:00   ( -68.10,  45.33) ( -68.09,  45.38)    2.61                71