Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 1 12.  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)
 01/14/2015   06:33:52   ( -63.67, 124.56) 01/14/2015   06:32:39  ( -63.93, 122.95)   84.54                73
 01/14/2015   07:18:46   (  78.05, -40.75) 01/14/2015   07:18:44  (  78.05, -40.78)    0.81                 2
 01/14/2015   08:07:27   ( -79.89, 138.04) 01/14/2015   08:08:41  ( -79.79, 138.40)   13.15                74
 01/16/2015   22:46:04   ( -77.50, -94.96) 01/16/2015   22:45:03  ( -77.49, -95.05)    2.23                61
 01/16/2015   23:35:13   (  78.24,  76.03) 01/16/2015   23:35:29  (  78.24,  76.02)    0.22                16
 01/19/2015   15:02:29   ( -77.74,  21.94) 01/19/2015   15:01:47  ( -77.73,  21.86)    2.02                42
 01/19/2015   15:51:39   (  78.43,-167.17) 01/19/2015   15:52:14  (  78.43,-167.17)    0.19                35
 01/22/2015   07:18:54   ( -77.93, 138.66) 01/22/2015   07:18:32  ( -77.92, 138.58)    2.06                22
 01/22/2015   08:08:04   (  78.61, -50.36) 01/22/2015   08:08:59  (  78.60, -50.34)    0.25                55
 01/24/2015   22:49:39   (  66.10,  62.68) 01/24/2015   22:48:26  (  66.36,  61.16)   73.71                73
 01/24/2015   23:35:17   ( -78.11,-104.59) 01/24/2015   23:35:16  ( -78.11,-104.69)    2.37                 1