Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2014 12 10.  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)
 12/12/2014   13:26:11   ( -69.25, 158.02) 12/12/2014   13:27:03  ( -69.27, 158.08)    3.32                52
 12/12/2014   14:16:55   (  69.12, -34.50) 12/12/2014   14:16:31  (  69.11, -34.48)    1.90                24
 12/12/2014   15:07:22   ( -68.24, 133.99) 12/12/2014   15:06:14  ( -68.27, 132.11)   77.42                68
 12/15/2014   04:52:39   (  70.28, 104.95) 12/15/2014   04:53:45  (  70.17, 107.57)   99.62                66
 12/15/2014   05:43:02   ( -69.20, -86.13) 12/15/2014   05:43:31  ( -69.17, -86.15)    2.98                29
 12/15/2014   06:33:46   (  69.07,  81.34) 12/15/2014   06:32:58  (  69.06,  81.35)    1.33                48
 12/17/2014   21:09:14   (  69.39,-137.96) 12/17/2014   21:10:25  (  69.37,-137.63)   12.87                71
 12/17/2014   21:59:53   ( -69.15,  29.70) 12/17/2014   21:59:57  ( -69.15,  29.71)    0.50                 4
 12/17/2014   22:50:37   (  69.03,-162.82) 12/17/2014   22:49:24  (  69.03,-162.79)    1.52                73
 12/20/2014   13:26:02   (  69.19, -21.91) 12/20/2014   13:26:53  (  69.19, -21.96)    2.36                51
 12/20/2014   14:16:44   ( -69.11, 145.53) 12/20/2014   14:16:23  ( -69.08, 145.53)    2.54                21
 12/20/2014   15:07:12   (  68.13, -45.87) 12/20/2014   15:06:05  (  68.13, -48.00)   88.19                67
 12/23/2014   05:42:52   (  69.16,  93.91) 12/23/2014   05:43:17  (  69.15,  93.88)    1.33                25
 12/23/2014   06:33:33   ( -69.02, -98.58) 12/23/2014   06:32:47  ( -69.04, -98.63)    3.29                46