Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 1 22.  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)
 01/24/2015   06:32:34   ( -69.16, -98.69) 01/24/2015   06:33:16  ( -69.17, -98.62)    3.41                42
 01/24/2015   07:23:18   (  69.02,  68.80) 01/24/2015   07:22:44  (  69.01,  68.81)    1.33                34
 01/26/2015   21:58:56   (  70.00,-151.45) 01/26/2015   22:00:03  (  69.93,-149.36)   80.02                67
 01/26/2015   22:49:22   ( -69.08,  17.20) 01/26/2015   22:49:46  ( -69.10,  17.17)    2.66                24
 01/26/2015   23:40:07   (  69.00,-175.39) 01/26/2015   23:39:13  (  68.99,-175.33)    2.71                54
 01/29/2015   14:15:32   (  69.30, -34.64) 01/29/2015   14:16:43  (  69.28, -34.35)   11.38                71
 01/29/2015   15:06:11   ( -69.06, 133.00) 01/29/2015   15:06:15  ( -69.07, 133.00)    0.54                 4
 01/29/2015   15:56:55   (  68.94, -59.52) 01/29/2015   15:55:42  (  68.95, -59.50)    1.76                73
 02/01/2015   06:32:17   (  69.13,  81.38) 02/01/2015   06:33:13  (  69.12,  81.31)    2.95                56
 02/01/2015   07:22:58   ( -69.00,-111.12) 02/01/2015   07:22:43  ( -69.02,-111.18)    3.17                15
 02/01/2015   08:13:30   (  68.23,  57.20) 02/01/2015   08:12:21  (  68.28,  55.56)   67.88                69
 02/03/2015   22:49:06   (  69.12,-162.83) 02/03/2015   22:49:41  (  69.10,-162.83)    2.73                35
 02/03/2015   23:39:47   ( -68.99,   4.67) 02/03/2015   23:39:11  ( -69.00,   4.68)    1.69                36