Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 3 11.  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)
 03/13/2015   06:31:51   ( -69.60, -99.34) 03/13/2015   06:33:01  ( -69.51, -98.10)   49.52                70
 03/13/2015   07:22:25   (  68.96,  68.87) 03/13/2015   07:22:36  (  68.97,  68.84)    1.61                11
 03/13/2015   08:13:07   ( -68.87,-123.69) 03/13/2015   08:12:06  ( -68.86,-123.67)    1.23                61
 03/15/2015   22:48:33   ( -69.05,  17.21) 03/15/2015   22:49:42  ( -69.04,  17.15)    2.51                69
 03/15/2015   23:39:17   (  68.94,-175.33) 03/15/2015   23:39:09  (  68.93,-175.34)    0.54                 8
 03/16/2015   00:29:55   ( -68.63,  -7.60) 03/16/2015   00:28:42  ( -68.66,  -8.05)   18.45                73
 03/18/2015   15:05:24   ( -69.03, 133.00) 03/18/2015   15:06:13  ( -69.04, 133.02)    1.62                49
 03/18/2015   15:56:07   (  68.87, -59.47) 03/18/2015   15:55:41  (  68.88, -59.54)    2.82                26
 03/18/2015   16:46:33   ( -67.91, 109.08) 03/18/2015   16:45:26  ( -67.94, 106.95)   89.02                67
 03/21/2015   07:22:15   ( -68.96,-111.14) 03/21/2015   07:22:46  ( -68.97,-111.20)    2.55                31
 03/21/2015   08:12:59   (  68.86,  56.31) 03/21/2015   08:12:13  (  68.86,  56.30)    0.86                46
 03/23/2015   22:48:32   (  69.44,-163.34) 03/23/2015   22:49:43  (  69.31,-162.52)   35.51                71
 03/23/2015   23:39:07   ( -68.96,   4.64) 03/23/2015   23:39:17  ( -68.98,   4.70)    3.47                10
 03/24/2015   00:29:50   (  68.81, 172.16) 03/24/2015   00:28:45  (  68.81, 172.12)    1.44                65