Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 8 11.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/11/2012   11:28:12   ( -68.67,-174.24) ( -68.56,-173.50)   32.81                71
 08/11/2012   12:18:49   (  68.16,  -6.27) (  68.17,  -6.32)    2.18                 6
 08/11/2012   13:09:30   ( -68.04, 161.21) ( -68.06, 161.19)    3.08                65
 08/14/2012   03:44:59   ( -68.32, -58.01) ( -68.31, -57.94)    3.09                60
 08/14/2012   04:35:42   (  68.13, 109.54) (  68.14, 109.51)    1.85                15
 08/14/2012   05:26:15   ( -67.57, -82.45) ( -67.65, -83.43)   42.20                71
 08/16/2012   20:01:52   ( -68.24,  57.86) ( -68.23,  57.82)    2.36                44
 08/16/2012   20:52:36   (  68.11,-134.66) (  68.12,-134.67)    0.95                33
 08/19/2012   11:28:23   (  69.33,   4.85) (  69.19,   7.22)   94.53                66
 08/19/2012   12:18:46   ( -68.23, 173.64) ( -68.21, 173.63)    2.55                29
 08/19/2012   13:09:30   (  68.10, -18.88) (  68.10, -18.85)    1.21                48
 08/22/2012   03:45:09   (  68.90, 121.21) (  68.78, 122.53)   54.42                69
 08/22/2012   04:35:39   ( -68.18, -70.52) ( -68.20, -70.56)    2.27                18
 08/22/2012   05:26:23   (  68.05,  96.95) (  68.08,  96.95)    3.58                59
 08/24/2012   20:01:56   (  68.60,-122.61) (  68.49,-122.02)   26.54                71
 08/24/2012   20:52:32   ( -68.20,  45.23) ( -68.19,  45.24)    1.08                 9
 08/24/2012   21:43:16   (  68.07,-147.30) (  68.07,-147.25)    2.20                68