Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 10 12.  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)
 10/14/2016   18:22:58   ( -68.47,  82.95) 10/14/2016   18:24:03  ( -68.48,  82.89)    2.29                65
 10/14/2016   19:13:43   (  68.38,-109.63) 10/14/2016   19:13:30  (  68.36,-109.60)    2.08                13
 10/14/2016   20:04:17   ( -67.88,  58.32) 10/14/2016   20:03:05  ( -67.98,  57.58)   32.58                72
 10/17/2016   10:39:54   ( -68.45,-161.27) 10/17/2016   10:40:32  ( -68.44,-161.27)    0.64                38
 10/17/2016   11:30:38   (  68.31,   6.22) 10/17/2016   11:29:59  (  68.33,   6.24)    2.24                39
 10/20/2016   02:06:15   (  68.87, 146.61) 10/20/2016   02:07:26  (  68.78, 147.40)   33.44                71
 10/20/2016   02:56:50   ( -68.42, -45.48) 10/20/2016   02:57:01  ( -68.40, -45.44)    2.88                11
 10/20/2016   03:47:34   (  68.29, 122.00) 10/20/2016   03:46:28  (  68.29, 122.07)    2.62                66
 10/22/2016   18:23:03   (  68.47, -97.10) 10/22/2016   18:23:59  (  68.46, -97.12)    1.72                56
 10/22/2016   19:13:44   ( -68.34,  70.39) 10/22/2016   19:13:29  ( -68.36,  70.39)    2.03                15
 10/22/2016   20:04:16   (  67.56,-121.33) 10/22/2016   20:03:07  (  67.62,-122.82)   63.47                69
 10/25/2016   10:39:58   (  68.39,  18.76) 10/25/2016   10:40:28  (  68.41,  18.70)    3.30                30
 10/25/2016   11:30:40   ( -68.31,-173.81) 10/25/2016   11:29:58  ( -68.31,-173.79)    1.03                42