Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 12 2.  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)
 12/03/2015   01:13:16   (  78.99,  55.23) 12/03/2015   01:12:03  (  79.00,  55.35)    2.75                73
 12/03/2015   02:02:37   ( -79.23,-135.62) 12/03/2015   02:02:42  ( -79.23,-135.64)    0.32                 5
 12/05/2015   17:29:41   (  79.07, 171.58) 12/05/2015   17:28:54  (  79.07, 171.62)    0.99                47
 12/05/2015   18:19:02   ( -79.31, -19.24) 12/05/2015   18:19:33  ( -79.31, -19.34)    2.13                31
 12/08/2015   09:46:05   (  79.20, -71.67) 12/08/2015   09:45:44  (  79.21, -71.61)    1.39                21
 12/08/2015   10:35:26   ( -79.45,  97.56) 12/08/2015   10:36:23  ( -79.44,  97.47)    1.90                57
 12/11/2015   01:13:12   ( -78.98,-124.79) 12/11/2015   01:12:00  ( -78.99,-124.71)    1.70                72
 12/11/2015   02:02:31   (  79.25,  44.49) 12/11/2015   02:02:37  (  79.24,  44.39)    2.38                 6
 12/13/2015   17:29:36   ( -79.09,  -8.24) 12/13/2015   17:28:51  ( -79.09,  -8.25)    0.34                45
 12/13/2015   18:18:52   (  79.47, 161.84) 12/13/2015   18:19:24  (  79.47, 161.95)    2.38                32
 12/16/2015   09:45:58   ( -79.22, 108.47) 12/16/2015   09:45:40  ( -79.22, 108.47)    0.22                18