Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 6 24.  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   00:24:47   ( -78.24,-116.56) 06/26/2015   00:23:41  ( -78.24,-116.61)    1.40                66
 06/26/2015   01:14:01   (  78.74,  53.68) 06/26/2015   01:14:12  (  78.74,  53.68)    0.12                11
 06/28/2015   16:41:11   ( -78.46,   0.38) 06/28/2015   16:40:29  ( -78.46,   0.42)    0.93                42
 06/28/2015   17:30:25   (  78.94, 170.69) 06/28/2015   17:31:00  (  78.95, 170.80)    2.29                35
 07/01/2015   08:57:36   ( -78.60, 117.02) 07/01/2015   08:57:19  ( -78.60, 117.01)    0.46                17
 07/01/2015   09:46:52   (  79.00, -73.09) 07/01/2015   09:47:52  (  79.01, -73.05)    0.99                60
 07/04/2015   00:24:45   (  78.20,  63.23) 07/04/2015   00:23:36  (  78.19,  63.14)    2.01                69
 07/04/2015   01:13:59   ( -78.77,-126.20) 07/04/2015   01:14:07  ( -78.77,-126.16)    0.85                 8
 07/06/2015   16:41:05   (  78.52,-179.29) 07/06/2015   16:40:21  (  78.52,-179.22)    1.61                44