Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 6 23.  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)
 06/26/2015   00:24:48   ( -78.19,-116.80) 06/26/2015   00:23:42  ( -78.18,-116.91)    2.61                66
 06/26/2015   01:14:02   (  78.69,  53.40) 06/26/2015   01:14:13  (  78.69,  53.35)    1.25                11
 06/28/2015   16:41:13   ( -78.37,  -0.04) 06/28/2015   16:40:31  ( -78.37,  -0.12)    1.74                42
 06/28/2015   17:30:27   (  78.86, 170.22) 06/28/2015   17:31:02  (  78.86, 170.21)    0.37                35
 07/01/2015   08:57:36   ( -78.62, 117.09) 07/01/2015   08:57:18  ( -78.62, 117.14)    1.20                18
 07/01/2015   09:46:51   (  79.05, -72.78) 07/01/2015   09:47:50  (  79.06, -72.67)    2.62                59
 07/04/2015   00:24:47   (  78.18,  63.15) 07/04/2015   00:23:37  (  78.17,  63.03)    2.82                70
 07/04/2015   01:14:02   ( -78.71,-126.51) 07/04/2015   01:14:09  ( -78.71,-126.51)    0.22                 7
 07/06/2015   16:41:10   (  78.35, 179.85) 07/06/2015   16:40:25  (  78.34, 179.75)    2.23                45