Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 3 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)
 03/24/2014   08:58:01   ( -77.96, 114.01) 03/24/2014   08:57:16  ( -77.97, 114.08)    1.96                45
 03/24/2014   09:47:17   (  78.38, -76.32) 03/24/2014   09:47:50  (  78.38, -76.34)    0.60                33
 03/27/2014   01:14:25   ( -78.14,-129.26) 03/27/2014   01:14:14  ( -78.14,-129.23)    0.52                11
 03/27/2014   02:03:42   (  78.51,  40.24) 03/27/2014   02:04:49  (  78.51,  40.17)    1.53                67
 03/29/2014   16:41:31   (  77.87, 177.75) 03/29/2014   16:40:37  (  77.88, 177.83)    2.03                54
 03/29/2014   17:30:47   ( -78.37, -12.24) 03/29/2014   17:31:10  ( -78.38, -12.12)    2.90                23
 04/01/2014   08:57:53   (  78.07, -65.45) 04/01/2014   08:57:34  (  78.08, -65.36)    2.22                19
 04/01/2014   09:47:09   ( -78.52, 104.42) 04/01/2014   09:48:07  ( -78.53, 104.54)    2.94                58
 04/04/2014   00:25:00   ( -77.73,-118.73) 04/04/2014   00:23:59  ( -77.73,-118.69)    1.12                61
 04/04/2014   01:14:14   (  78.23,  51.21) 04/04/2014   01:14:31  (  78.23,  51.21)    0.22                17
 04/06/2014   16:41:19   ( -77.99,  -1.65) 04/06/2014   16:40:54  ( -78.00,  -1.56)    2.34                25