Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 10 9.  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)
 10/10/2015   01:17:42   (  68.67, 159.68) 10/10/2015   01:18:09  (  68.68, 159.65)    2.16                27
 10/10/2015   02:08:23   ( -68.55, -32.84) 10/10/2015   02:07:39  ( -68.58, -32.85)    3.33                44
 10/12/2015   16:43:58   ( -69.13, 107.50) 10/12/2015   16:45:09  ( -69.05, 108.33)   34.28                71
 10/12/2015   17:34:36   (  68.68, -84.57) 10/12/2015   17:34:41  (  68.66, -84.51)    3.29                 5
 10/12/2015   18:25:16   ( -68.50,  82.98) 10/12/2015   18:24:12  ( -68.50,  82.93)    2.16                64
 10/15/2015   09:00:44   ( -68.72,-136.17) 10/15/2015   09:01:46  ( -68.74,-136.19)    2.76                62
 10/15/2015   09:51:28   (  68.59,  31.31) 10/15/2015   09:51:14  (  68.58,  31.25)    2.94                14
 10/15/2015   10:42:02   ( -68.08,-160.72) 10/15/2015   10:40:50  ( -68.14,-161.64)   38.75                72
 10/18/2015   01:17:37   ( -68.68, -20.35) 10/18/2015   01:18:18  ( -68.70, -20.37)    2.33                41
 10/18/2015   02:08:21   (  68.56, 147.12) 10/18/2015   02:07:45  (  68.59, 147.13)    3.22                36
 10/20/2015   16:44:00   (  69.43, -72.93) 10/20/2015   16:45:09  (  69.30, -71.37)   62.68                69
 10/20/2015   17:34:29   ( -68.64,  95.47) 10/20/2015   17:34:49  ( -68.64,  95.43)    1.58                20
 10/20/2015   18:25:13   (  68.53, -97.07) 10/20/2015   18:24:16  (  68.53, -97.07)    0.10                57