Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 3 25.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/26/2013   03:46:01   ( -68.23, -58.12) ( -68.25, -58.06)    3.56                37
 03/26/2013   04:36:45   (  68.10, 109.34) (  68.09, 109.39)    2.61                39
 03/28/2013   19:12:23   (  68.70,-110.30) (  68.60,-109.40)   38.33                70
 03/28/2013   20:02:57   ( -68.18,  57.70) ( -68.15,  57.70)    3.34                12
 03/28/2013   20:53:41   (  68.06,-134.84) (  68.04,-134.78)    2.80                65
 03/31/2013   11:29:12   (  68.23,   6.08) (  68.23,   6.04)    1.92                58
 03/31/2013   12:19:54   ( -68.14, 173.51) ( -68.13, 173.55)    2.25                14
 03/31/2013   13:10:27   (  67.43, -18.29) (  67.45, -19.58)   55.15                70
 04/03/2013   03:46:09   (  68.20, 121.89) (  68.22, 121.89)    1.89                32
 04/03/2013   04:36:50   ( -68.06, -70.61) ( -68.06, -70.66)    2.30                38
 04/05/2013   19:12:30   ( -68.72,  69.67) ( -68.61,  70.59)   39.24                70
 04/05/2013   20:03:06   (  68.17,-122.30) (  68.16,-122.30)    1.11                 7
 04/05/2013   20:53:47   ( -68.02,  45.20) ( -68.01,  45.15)    2.99                63
 04/08/2013   11:29:18   ( -68.26,-173.96) ( -68.23,-173.99)    3.27                59
 04/08/2013   12:20:02   (  68.14,  -6.50) (  68.11,  -6.49)    3.10                18
 04/08/2013   13:10:33   ( -67.46, 161.66) ( -67.52, 160.46)   51.59                70