Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 12 7.  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)
 12/07/2014   22:45:49   (  77.74,  86.03) 12/07/2014   22:46:02  (  77.75,  86.07)    1.07                13
 12/10/2014   14:12:57   ( -77.39,  32.82) 12/10/2014   14:12:17  ( -77.40,  32.93)    2.57                40
 12/10/2014   15:02:10   (  77.95,-157.13) 12/10/2014   15:02:48  (  77.96,-157.12)    0.25                38
 12/13/2014   06:29:17   ( -77.65, 149.78) 12/13/2014   06:29:03  ( -77.65, 149.85)    1.84                14
 12/13/2014   07:18:31   (  78.16, -40.29) 12/13/2014   07:19:35  (  78.16, -40.30)    0.39                64
 12/15/2014   21:56:24   (  77.19,  96.18) 12/15/2014   21:55:20  (  77.20,  96.27)    2.53                64
 12/15/2014   22:45:36   ( -77.89, -93.26) 12/15/2014   22:45:49  ( -77.89, -93.21)    1.38                13
 12/18/2014   14:12:40   (  77.52,-146.59) 12/18/2014   14:12:04  (  77.53,-146.51)    1.91                36
 12/18/2014   15:01:54   ( -78.12,  23.70) 12/18/2014   15:02:35  ( -78.13,  23.75)    1.24                41
 12/21/2014   06:28:55   (  77.79, -29.51) 12/21/2014   06:28:48  (  77.80, -29.44)    1.56                 7