Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 11 18.  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)
 11/19/2015   17:29:45   (  78.95, 170.89) 11/19/2015   17:29:04  (  78.95, 170.80)    1.91                41
 11/19/2015   18:19:01   ( -79.40, -18.70) 11/19/2015   18:19:37  ( -79.40, -18.62)    1.81                36
 11/22/2015   09:46:12   (  79.08, -72.49) 11/22/2015   09:45:55  (  79.07, -72.59)    2.46                17
 11/22/2015   10:35:29   ( -79.48,  97.73) 11/22/2015   10:36:29  ( -79.48,  97.79)    1.30                60
 11/25/2015   01:13:20   ( -78.87,-125.50) 11/25/2015   01:12:10  ( -78.86,-125.54)    1.04                70
 11/25/2015   02:02:36   (  79.26,  44.51) 11/25/2015   02:02:43  (  79.26,  44.51)    0.24                 7
 11/27/2015   17:29:47   ( -78.95,  -9.15) 11/27/2015   17:29:02  ( -78.94,  -9.25)    2.26                45
 11/27/2015   18:19:03   (  79.33, 160.88) 11/27/2015   18:19:35  (  79.33, 160.83)    1.05                32
 11/30/2015   09:46:11   ( -79.12, 107.79) 11/30/2015   09:45:51  ( -79.12, 107.76)    0.59                20