Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 12 4.  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)
 12/04/2016   10:39:54   ( -68.40,-161.32) 12/04/2016   10:40:34  ( -68.42,-161.28)    2.85                40
 12/04/2016   11:30:37   (  68.23,   6.21) 12/04/2016   11:30:02  (  68.25,   6.16)    2.75                35
 12/07/2016   02:06:16   (  69.04, 146.28) 12/07/2016   02:07:25  (  68.92, 147.58)   53.46                69
 12/07/2016   02:56:47   ( -68.35, -45.48) 12/07/2016   02:57:03  ( -68.37, -45.47)    1.94                16
 12/07/2016   03:47:30   (  68.18, 122.04) 12/07/2016   03:46:31  (  68.19, 121.97)    2.92                59
 12/09/2016   18:23:00   (  68.45, -97.16) 12/09/2016   18:24:02  (  68.46, -97.11)    2.19                62
 12/09/2016   19:13:41   ( -68.29,  70.35) 12/09/2016   19:13:33  ( -68.30,  70.33)    1.02                 8
 12/09/2016   20:04:17   (  67.75,-121.66) 12/09/2016   20:03:06  (  67.84,-122.56)   39.12                71
 12/12/2016   10:39:54   (  68.39,  18.68) 12/12/2016   10:40:32  (  68.37,  18.67)    2.18                38
 12/12/2016   11:30:36   ( -68.29,-173.88) 12/12/2016   11:30:02  ( -68.27,-173.82)    3.19                34
 12/15/2016   02:06:16   ( -69.08, -33.79) 12/15/2016   02:07:25  ( -68.95, -32.38)   57.96                69
 12/15/2016   02:56:48   (  68.33, 134.52) 12/15/2016   02:57:01  (  68.33, 134.50)    0.56                13
 12/15/2016   03:47:30   ( -68.23, -58.03) 12/15/2016   03:46:31  ( -68.23, -57.98)    1.98                59
 12/17/2016   18:22:58   ( -68.43,  82.85) 12/17/2016   18:24:01  ( -68.46,  82.89)    3.17                63
 12/17/2016   19:13:41   (  68.27,-109.64) 12/17/2016   19:13:29  (  68.28,-109.67)    1.79                12
 12/17/2016   20:04:16   ( -67.79,  58.28) 12/17/2016   20:03:05  ( -67.85,  57.45)   35.59                71