Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2011 11 22.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/24/2011   01:15:41   ( -69.33, -21.38) ( -69.24, -19.57)   72.24                68
 11/24/2011   02:06:11   (  68.46, 147.11) (  68.47, 147.11)    0.60                17
 11/24/2011   02:56:51   ( -68.33, -45.40) ( -68.35, -45.41)    2.25                54
 11/26/2011   17:32:18   ( -68.56,  95.45) ( -68.53,  95.44)    3.06                66
 11/26/2011   18:23:02   (  68.43, -97.08) (  68.42, -97.05)    2.11                11
 11/26/2011   19:13:38   ( -68.03,  70.75) ( -68.08,  70.18)   24.20                73
 11/29/2011   09:49:09   ( -68.48,-148.68) ( -68.50,-148.68)    2.96                38
 11/29/2011   10:39:53   (  68.35,  18.79) (  68.33,  18.76)    2.41                38
 12/02/2011   01:15:25   (  68.86, 159.27) (  68.78, 159.94)   28.54                71
 12/02/2011   02:06:01   ( -68.46, -32.88) ( -68.44, -32.84)    2.27                 9
 12/02/2011   02:56:44   (  68.28, 134.66) (  68.27, 134.60)    2.69                66
 12/04/2011   17:32:11   (  68.52, -84.51) (  68.51, -84.47)    1.98                51
 12/04/2011   18:22:52   ( -68.39,  82.98) ( -68.40,  83.03)    2.57                20
 12/04/2011   19:13:20   (  67.45,-108.55) (  67.50,-110.38)   78.16                68