Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 1 9.  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)
 01/11/2015   15:02:31   (  77.72,-158.17) 01/11/2015   15:02:03  (  77.72,-158.23)    1.45                28
 01/11/2015   15:51:44   ( -78.34,  12.35) 01/11/2015   15:52:33  ( -78.34,  12.29)    1.42                49
 01/14/2015   07:19:20   (  77.83, -41.89) 01/14/2015   07:18:50  (  77.83, -41.88)    0.36                30
 01/14/2015   08:08:34   ( -78.41, 128.49) 01/14/2015   08:09:21  ( -78.41, 128.48)    0.15                47
 01/16/2015   23:36:22   (  77.74,  73.44) 01/16/2015   23:35:41  (  77.74,  73.43)    0.27                41
 01/17/2015   00:25:36   ( -78.33,-116.19) 01/17/2015   00:26:12  ( -78.32,-116.24)    1.25                36
 01/19/2015   15:53:39   (  77.43,-172.14) 01/19/2015   15:52:38  (  77.42,-172.25)    2.96                61
 01/19/2015   16:42:47   ( -78.30,  -0.61) 01/19/2015   16:43:02  ( -78.31,  -0.55)    1.44                15
 01/22/2015   09:00:10   ( -78.16, 114.38) 01/22/2015   08:59:55  ( -78.16, 114.46)    1.89                15