Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 1 17.  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)
 01/18/2015   21:59:02   ( -69.51,  29.25) 01/18/2015   22:00:14  ( -69.40,  29.92)   29.06                72
 01/18/2015   22:49:40   (  69.06,-162.81) 01/18/2015   22:49:45  (  69.07,-162.86)    2.75                 5
 01/18/2015   23:40:21   ( -68.94,   4.67) 01/18/2015   23:39:15  ( -68.96,   4.63)    3.12                66
 01/21/2015   14:15:45   ( -69.16, 145.52) 01/21/2015   14:16:47  ( -69.18, 145.51)    2.58                62
 01/21/2015   15:06:29   (  69.03, -46.99) 01/21/2015   15:06:15  (  69.01, -47.06)    3.14                14
 01/21/2015   15:57:02   ( -68.48, 121.06) 01/21/2015   15:55:51  ( -68.58, 120.03)   43.58                71
 01/24/2015   06:32:34   ( -69.13, -98.66) 01/24/2015   06:33:16  ( -69.16, -98.64)    3.03                42
 01/24/2015   07:23:18   (  69.00,  68.83) 01/24/2015   07:22:44  (  68.99,  68.79)    2.49                34
 01/26/2015   21:58:56   (  69.99,-151.42) 01/26/2015   22:00:03  (  69.87,-149.43)   77.18                67
 01/26/2015   22:49:23   ( -69.11,  17.15) 01/26/2015   22:49:45  ( -69.11,  17.18)    1.13                22
 01/26/2015   23:40:07   (  68.99,-175.37) 01/26/2015   23:39:12  (  68.99,-175.33)    1.56                55
 01/29/2015   14:15:30   (  69.23, -34.54) 01/29/2015   14:16:41  (  69.24, -34.40)    5.72                71
 01/29/2015   15:06:10   ( -69.04, 133.03) 01/29/2015   15:06:13  ( -69.03, 132.96)    3.05                 3
 01/29/2015   15:56:53   (  68.87, -59.42) 01/29/2015   15:55:40  (  68.90, -59.55)    6.52                73