Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 5 10.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/10/2013   10:39:07   (  69.07,  17.63) (  68.94,  19.34)   69.69                68
 05/10/2013   11:29:34   ( -68.21,-173.90) ( -68.22,-173.92)    1.35                22
 05/10/2013   12:20:19   (  68.11,  -6.47) (  68.11,  -6.40)    2.68                56
 05/13/2013   02:55:48   (  68.26, 134.48) (  68.27, 134.41)    3.04                64
 05/13/2013   03:46:29   ( -68.15, -58.05) ( -68.17, -58.08)    2.34                 7
 05/13/2013   04:37:06   (  67.62, 109.91) (  67.71, 109.04)   38.37                71
 05/15/2013   19:12:44   (  68.27,-109.75) (  68.25,-109.72)    2.29                33
 05/15/2013   20:03:25   ( -68.15,  57.73) ( -68.14,  57.79)    2.72                38
 05/18/2013   10:39:00   ( -68.63,-161.75) ( -68.54,-161.11)   27.85                71
 05/18/2013   11:29:39   (  68.22,   6.09) (  68.20,   6.12)    2.85                 3
 05/18/2013   12:20:19   ( -68.04, 173.63) ( -68.04, 173.57)    2.64                66
 05/21/2013   02:55:48   ( -68.26, -45.50) ( -68.25, -45.56)    3.05                51
 05/21/2013   03:46:32   (  68.13, 121.98) (  68.12, 121.93)    2.16                26
 05/21/2013   04:36:58   ( -67.19, -69.56) ( -67.24, -71.44)   81.15                68
 05/23/2013   18:22:14   (  69.00, -98.02) (  68.86, -96.54)   61.06                69
 05/23/2013   19:12:43   ( -68.22,  70.33) ( -68.21,  70.29)    2.42                20
 05/23/2013   20:03:27   (  68.09,-122.19) (  68.08,-122.22)    1.76                57