Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 2 13.  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)
 02/15/2016   02:06:55   ( -68.58, -32.94) 02/15/2016   02:07:42  ( -68.60, -32.89)    3.17                47
 02/15/2016   02:57:39   (  68.45, 134.54) 02/15/2016   02:57:10  (  68.44, 134.56)    0.86                29
 02/15/2016   03:48:03   ( -67.41, -56.85) 02/15/2016   03:46:56  ( -67.43, -58.98)   90.88                67
 02/17/2016   17:33:20   (  69.46, -85.69) 02/17/2016   17:34:27  (  69.38, -83.65)   80.45                67
 02/17/2016   18:23:46   ( -68.54,  82.90) 02/17/2016   18:24:10  ( -68.54,  82.92)    1.33                24
 02/17/2016   19:14:29   (  68.40,-109.62) 02/17/2016   19:13:37  (  68.38,-109.64)    2.99                52
 02/20/2016   09:49:55   (  68.62,  31.24) 02/20/2016   09:51:06  (  68.63,  31.28)    1.49                71
 02/20/2016   10:40:36   ( -68.49,-161.26) 02/20/2016   10:40:37  ( -68.47,-161.29)    3.14                 1
 02/20/2016   11:31:18   (  68.26,   6.35) 02/20/2016   11:30:05  (  68.29,   6.15)    8.98                73
 02/23/2016   02:06:46   (  68.59, 147.07) 02/23/2016   02:07:33  (  68.58, 147.11)    1.98                47
 02/23/2016   02:57:27   ( -68.45, -45.44) 02/23/2016   02:57:04  ( -68.42, -45.45)    3.48                23
 02/23/2016   03:47:53   (  67.36, 123.23) 02/23/2016   03:46:47  (  67.41, 121.02)   94.79                66
 02/25/2016   17:33:11   ( -69.64,  94.09) 02/25/2016   17:34:17  ( -69.53,  96.57)   96.95                66
 02/25/2016   18:23:36   (  68.51, -97.04) 02/25/2016   18:24:00  (  68.52, -97.08)    1.68                24
 02/25/2016   19:14:18   ( -68.42,  70.39) 02/25/2016   19:13:30  ( -68.42,  70.43)    1.99                48