Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 8 30.  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)
 08/31/2015   16:40:44   ( -78.44,   0.36) 08/31/2015   16:39:31  ( -78.45,   0.43)    1.62                73
 08/31/2015   17:30:00   (  78.85, 170.17) 08/31/2015   17:30:05  (  78.85, 170.18)    0.05                 5
 09/03/2015   08:57:08   ( -78.50, 116.52) 09/03/2015   08:56:21  ( -78.49, 116.45)    1.67                47
 09/03/2015   09:46:24   (  78.90, -73.66) 09/03/2015   09:46:55  (  78.89, -73.79)    2.95                31
 09/06/2015   01:13:27   ( -78.79,-126.02) 09/06/2015   01:13:05  ( -78.80,-125.91)    2.62                22
 09/06/2015   02:02:44   (  79.13,  43.65) 09/06/2015   02:03:40  (  79.14,  43.73)    1.65                56
 09/08/2015   16:40:31   (  78.54,-179.08) 09/08/2015   16:39:18  (  78.55,-178.95)    2.94                73
 09/08/2015   17:29:50   ( -78.90,  -9.50) 09/08/2015   17:29:54  ( -78.91,  -9.42)    2.01                 4
 09/11/2015   08:56:57   (  78.52, -63.32) 09/11/2015   08:56:11  (  78.51, -63.43)    2.67                46