Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 8 10.  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)
 08/12/2015   09:01:45   ( -68.76,-136.28) 08/12/2015   09:02:30  ( -68.75,-136.33)    2.26                45
 08/12/2015   09:52:29   (  68.65,  31.17) 08/12/2015   09:51:57  (  68.64,  31.17)    1.25                32
 08/15/2015   00:28:09   (  69.58, 171.04) 08/15/2015   00:29:17  (  69.43, 172.81)   70.77                68
 08/15/2015   01:18:37   ( -68.73, -20.48) 08/15/2015   01:18:58  ( -68.72, -20.48)    1.73                21
 08/15/2015   02:09:21   (  68.62, 146.98) 08/15/2015   02:08:25  (  68.60, 147.02)    2.84                56
 08/17/2015   16:44:47   (  68.81, -72.12) 08/17/2015   16:45:55  (  68.83, -72.08)    3.08                68
 08/17/2015   17:35:28   ( -68.66,  95.39) 08/17/2015   17:35:26  ( -68.68,  95.35)    2.40                 2
 08/17/2015   18:26:08   (  68.34, -96.87) 08/17/2015   18:24:56  (  68.39, -97.35)   20.59                72
 08/20/2015   09:01:38   (  68.80,  43.67) 08/20/2015   09:02:22  (  68.78,  43.73)    3.32                44
 08/20/2015   09:52:19   ( -68.65,-148.81) 08/20/2015   09:51:53  ( -68.62,-148.83)    2.87                26
 08/23/2015   00:28:02   ( -69.74,  -9.20) 08/23/2015   00:29:09  ( -69.60,  -6.95)   88.24                67
 08/23/2015   01:18:29   (  68.73, 159.53) 08/23/2015   01:18:50  (  68.71, 159.53)    3.19                21
 08/23/2015   02:09:10   ( -68.58, -32.95) 08/23/2015   02:08:20  ( -68.61, -32.95)    2.77                50