Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 8 25.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/27/2012   11:28:16   ( -69.06,-174.77) ( -68.93,-173.08)   68.63                69
 08/27/2012   12:18:47   (  68.22,  -6.36) (  68.21,  -6.33)    1.96                16
 08/27/2012   13:09:28   ( -68.10, 161.12) ( -68.11, 161.18)    2.84                55
 08/30/2012   03:44:57   ( -68.31, -58.00) ( -68.32, -57.97)    2.16                69
 08/30/2012   04:35:41   (  68.17, 109.48) (  68.15, 109.47)    2.70                 7
 08/30/2012   05:26:19   ( -67.88, -82.84) ( -67.94, -83.14)   13.77                73
 09/01/2012   20:01:51   ( -68.25,  57.84) ( -68.25,  57.82)    0.76                46
 09/01/2012   20:52:35   (  68.11,-134.68) (  68.13,-134.67)    1.82                31
 09/01/2012   21:42:58   ( -67.01,  33.96) ( -67.08,  31.78)   95.09                67
 09/04/2012   11:28:17   (  69.06,   5.20) (  68.93,   6.91)   69.43                68
 09/04/2012   12:18:45   ( -68.23, 173.62) ( -68.22, 173.67)    2.16                21
 09/04/2012   13:09:28   (  68.05, -18.83) (  68.04, -18.90)    2.73                54
 09/07/2012   03:44:58   (  68.30, 121.99) (  68.28, 121.98)    2.16                68
 09/07/2012   04:35:39   ( -68.16, -70.52) ( -68.19, -70.50)    2.84                 3
 09/07/2012   05:26:19   (  67.82,  97.22) (  67.89,  96.80)   19.45                73