Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 2 6.  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)
 02/06/2015   14:15:24   ( -69.77, 144.71) 02/06/2015   14:16:34  ( -69.65, 146.14)   56.67                70
 02/06/2015   15:05:57   (  69.05, -46.96) 02/06/2015   15:06:10  (  69.05, -47.02)    2.20                13
 02/06/2015   15:56:38   ( -68.92, 120.52) 02/06/2015   15:55:40  ( -68.94, 120.48)    2.44                58
 02/09/2015   06:32:07   ( -69.18, -98.68) 02/09/2015   06:33:14  ( -69.17, -98.63)    2.17                67
 02/09/2015   07:22:51   (  69.04,  68.81) 02/09/2015   07:22:41  (  69.06,  68.87)    3.20                10
 02/09/2015   08:13:28   ( -68.70,-123.42) 02/09/2015   08:12:15  ( -68.74,-123.91)   20.11                73
 02/11/2015   22:48:59   ( -69.12,  17.15) 02/11/2015   22:49:47  ( -69.15,  17.19)    2.92                48
 02/11/2015   23:39:43   (  69.00,-175.36) 02/11/2015   23:39:15  (  68.98,-175.38)    2.08                28
 02/12/2015   00:30:07   ( -67.95,  -6.69) 02/12/2015   00:29:00  ( -68.05,  -8.88)   91.99                67
 02/14/2015   15:05:52   ( -69.08, 132.98) 02/14/2015   15:06:24  ( -69.08, 132.95)    1.16                32
 02/14/2015   15:56:36   (  68.95, -59.54) 02/14/2015   15:55:51  (  68.96, -59.55)    0.90                45
 02/17/2015   06:32:14   (  69.71,  80.53) 02/17/2015   06:33:24  (  69.60,  81.86)   52.80                70
 02/17/2015   07:22:46   ( -69.09,-111.28) 02/17/2015   07:23:02  ( -69.07,-111.21)    3.27                16
 02/17/2015   08:13:29   (  68.92,  56.27) 02/17/2015   08:12:30  (  68.90,  56.21)    2.95                59
 02/19/2015   22:49:00   (  69.31,-163.13) 02/19/2015   22:50:10  (  69.28,-162.75)   15.63                70
 02/19/2015   23:39:38   ( -69.01,   4.61) 02/19/2015   23:39:43  ( -69.03,   4.56)    2.88                 5
 02/20/2015   00:30:22   (  68.89, 172.07) 02/20/2015   00:29:10  (  68.91, 172.05)    2.06                72