Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 4 8.  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)
 04/09/2014   08:58:04   ( -77.87, 113.48) 04/09/2014   08:57:58  ( -77.88, 113.58)    2.65                 6
 04/09/2014   09:47:20   (  78.30, -76.89) 04/09/2014   09:48:32  (  78.30, -76.84)    1.13                72
 04/12/2014   00:25:17   (  77.29,  59.30) 04/12/2014   00:24:27  (  77.28,  59.19)    2.94                50
 04/12/2014   01:14:28   ( -78.03,-129.90) 04/12/2014   01:14:54  ( -78.05,-129.78)    3.03                26
 04/14/2014   16:41:38   (  77.58, 176.34) 04/14/2014   16:41:21  (  77.58, 176.31)    0.87                17
 04/14/2014   17:30:54   ( -78.09, -13.75) 04/14/2014   17:31:54  ( -78.09, -13.80)    1.26                60
 04/17/2014   08:08:48   ( -77.14, 122.86) 04/17/2014   08:07:48  ( -77.13, 122.76)    2.85                60
 04/17/2014   08:57:56   (  77.93, -66.24) 04/17/2014   08:58:13  (  77.94, -66.12)    2.83                17
 04/20/2014   00:25:04   ( -77.54,-119.69) 04/20/2014   00:24:39  ( -77.55,-119.62)    1.92                25
 04/20/2014   01:14:17   (  78.09,  50.37) 04/20/2014   01:15:10  (  78.09,  50.44)    1.83                53
 04/22/2014   15:52:05   (  77.24,-172.63) 04/22/2014   15:51:00  (  77.25,-172.52)    3.08                65