Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 10 15.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/16/2015   01:13:27   (  78.87,  54.47) 10/16/2015   01:12:29  (  78.88,  54.57)    2.33                58
 10/16/2015   02:02:48   ( -79.12,-136.42) 10/16/2015   02:03:08  ( -79.11,-136.52)    2.23                20
 10/18/2015   17:29:56   (  78.90, 170.52) 10/18/2015   17:29:22  (  78.90, 170.48)    0.97                34
 10/18/2015   18:19:13   ( -79.31, -19.35) 10/18/2015   18:19:56  ( -79.31, -19.30)    1.03                43
 10/21/2015   09:46:24   (  78.96, -73.26) 10/21/2015   09:46:14  (  78.96, -73.37)    2.50                10
 10/21/2015   10:35:41   ( -79.37,  96.91) 10/21/2015   10:36:48  ( -79.37,  96.90)    0.24                67
 10/24/2015   01:13:29   ( -78.86,-125.64) 10/24/2015   01:12:25  ( -78.86,-125.55)    2.04                64
 10/24/2015   02:02:48   (  79.13,  43.62) 10/24/2015   02:03:02  (  79.12,  43.52)    2.24                14
 10/26/2015   17:29:58   ( -78.85,  -9.79) 10/26/2015   17:29:19  ( -78.85,  -9.89)    2.10                39
 10/26/2015   18:19:13   (  79.28, 160.44) 10/26/2015   18:19:51  (  79.28, 160.43)    0.16                38
 10/29/2015   09:46:20   ( -79.11, 107.64) 10/29/2015   09:46:05  ( -79.12, 107.72)    1.81                15