Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2014 12 30.  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)
 12/31/2014   05:42:37   ( -69.18, -86.10) 12/31/2014   05:43:37  ( -69.20, -86.16)    3.45                60
 12/31/2014   06:33:22   (  69.09,  81.32) 12/31/2014   06:33:04  (  69.10,  81.36)    1.43                18
 12/31/2014   07:23:53   ( -68.44,-110.48) 12/31/2014   07:22:43  ( -68.48,-111.79)   53.30                70
 01/02/2015   21:59:27   ( -69.15,  29.71) 01/02/2015   22:00:05  ( -69.14,  29.65)    2.60                38
 01/02/2015   22:50:11   (  69.02,-162.79) 01/02/2015   22:49:32  (  69.04,-162.83)    2.74                39
 01/05/2015   13:25:44   (  69.73, -22.66) 01/05/2015   13:26:54  (  69.61, -21.47)   48.04                70
 01/05/2015   14:16:16   ( -69.13, 145.52) 01/05/2015   14:16:31  ( -69.11, 145.50)    2.34                15
 01/05/2015   15:07:00   (  69.00, -46.99) 01/05/2015   15:05:58  (  69.00, -46.99)    0.35                62
 01/08/2015   05:42:24   (  69.19,  93.90) 01/08/2015   05:43:27  (  69.22,  93.90)    3.01                63
 01/08/2015   06:33:06   ( -69.12, -98.68) 01/08/2015   06:32:57  ( -69.11, -98.61)    3.17                 9
 01/08/2015   07:23:42   (  68.56,  69.37) 01/08/2015   07:22:31  (  68.60,  68.40)   39.75                71
 01/10/2015   21:59:14   (  69.18,-150.32) 01/10/2015   21:59:53  (  69.18,-150.25)    2.61                39
 01/10/2015   22:49:55   ( -69.06,  17.18) 01/10/2015   22:49:23  ( -69.07,  17.24)    3.06                32