Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 6 27.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/27/2012   03:44:56   ( -68.32, -57.93) ( -68.34, -57.91)    3.05                70
 06/27/2012   04:35:40   (  68.21, 109.52) (  68.18, 109.55)    3.16                 6
 06/27/2012   05:26:19   ( -67.95, -82.84) ( -67.96, -83.08)    9.91                73
 06/29/2012   20:01:46   ( -68.27,  57.90) ( -68.25,  57.86)    2.72                51
 06/29/2012   20:52:30   (  68.17,-134.65) (  68.14,-134.62)    2.65                26
 06/29/2012   21:42:56   ( -67.21,  33.83) ( -67.25,  32.00)   79.22                68
 07/02/2012   12:18:37   ( -68.23, 173.75) ( -68.21, 173.69)    2.60                31
 07/02/2012   13:09:21   (  68.12, -18.81) (  68.10, -18.80)    2.07                46
 07/05/2012   03:44:53   (  68.65, 121.65) (  68.55, 122.33)   29.75                71
 07/05/2012   04:35:29   ( -68.23, -70.47) ( -68.22, -70.43)    1.99                 9
 07/05/2012   05:26:12   (  68.07,  97.03) (  68.05,  97.02)    1.91                66
 07/07/2012   20:01:38   (  68.27,-122.07) (  68.27,-122.13)    2.51                61
 07/07/2012   20:52:20   ( -68.17,  45.38) ( -68.17,  45.38)    0.40                11
 07/07/2012   21:42:54   (  67.52,-146.52) (  67.60,-147.63)   47.82                70
 07/10/2012   12:18:29   (  68.26,  -6.28) (  68.26,  -6.27)    0.54                39
 07/10/2012   13:09:10   ( -68.10, 161.24) ( -68.11, 161.18)    2.43                31