Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2014 8 18.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/19/2014   21:59:44   (  69.10,-150.42) 08/19/2014   22:00:21  (  69.12,-150.42)    2.20                37
 08/19/2014   22:50:26   ( -69.02,  17.00) 08/19/2014   22:49:51  ( -69.01,  17.07)    3.23                35
 08/22/2014   13:26:08   ( -69.64, 157.26) 08/22/2014   13:27:19  ( -69.53, 158.35)   44.23                71
 08/22/2014   14:16:44   (  69.08, -34.63) 08/22/2014   14:16:52  (  69.09, -34.58)    2.52                 8
 08/22/2014   15:07:25   ( -68.95, 132.87) 08/22/2014   15:06:23  ( -68.93, 132.85)    2.38                62
 08/25/2014   05:42:59   ( -69.15, -86.27) 08/25/2014   05:43:56  ( -69.16, -86.26)    2.01                57
 08/25/2014   06:33:43   (  69.01,  81.22) 08/25/2014   06:33:24  (  69.00,  81.17)    2.54                19
 08/25/2014   07:24:13   ( -68.29,-110.50) 08/25/2014   07:23:04  ( -68.34,-112.01)   62.43                69
 08/27/2014   21:59:59   ( -69.14,  29.51) 08/27/2014   22:00:27  ( -69.12,  29.56)    2.92                28
 08/27/2014   22:50:43   (  69.00,-163.00) 08/27/2014   22:49:54  (  69.00,-162.94)    2.41                49
 08/30/2014   13:26:15   (  69.16, -22.08) 08/30/2014   13:27:27  (  69.16, -22.14)    2.33                72
 08/30/2014   14:16:57   ( -69.08, 145.35) 08/30/2014   14:16:57  ( -69.06, 145.36)    1.65                 0
 08/30/2014   15:07:38   (  68.79, -46.94) 08/30/2014   15:06:26  (  68.83, -47.28)   14.75                72