Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 9 25.  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)
 09/26/2016   02:06:13   ( -69.47, -34.18) 09/26/2016   02:07:20  ( -69.33, -31.87)   91.40                67
 09/26/2016   02:56:40   (  68.42, 134.56) 09/26/2016   02:57:02  (  68.40, 134.58)    2.62                22
 09/26/2016   03:47:21   ( -68.30, -57.96) 09/26/2016   03:46:32  ( -68.29, -57.91)    2.25                49
 09/28/2016   18:22:52   ( -68.46,  82.96) 09/28/2016   18:24:04  ( -68.48,  82.92)    2.78                72
 09/28/2016   19:13:37   (  68.37,-109.62) 09/28/2016   19:13:31  (  68.37,-109.57)    2.11                 6
 09/28/2016   20:04:16   ( -68.14,  58.00) 09/28/2016   20:03:03  ( -68.15,  57.81)    8.01                73
 10/01/2016   10:39:49   ( -68.41,-161.22) 10/01/2016   10:40:33  ( -68.43,-161.26)    2.24                44
 10/01/2016   11:30:34   (  68.33,   6.20) 10/01/2016   11:30:00  (  68.31,   6.25)    2.58                34
 10/04/2016   02:06:14   (  68.98, 146.46) 10/04/2016   02:07:24  (  68.90, 147.57)   45.40                70
 10/04/2016   02:56:45   ( -68.37, -45.41) 10/04/2016   02:57:00  ( -68.40, -45.41)    3.60                15
 10/04/2016   03:47:29   (  68.23, 122.08) 10/04/2016   03:46:28  (  68.23, 122.03)    2.06                61
 10/06/2016   18:23:01   (  68.46, -97.08) 10/06/2016   18:23:58  (  68.45, -97.10)    1.64                57
 10/06/2016   19:13:42   ( -68.33,  70.41) 10/06/2016   19:13:28  ( -68.35,  70.41)    1.96                14
 10/06/2016   20:04:15   (  67.60,-121.37) 10/06/2016   20:03:05  (  67.66,-122.74)   58.15                70