Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 1 27.  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)
 01/28/2016   02:02:58   (  79.18,  44.07) 01/28/2016   02:02:00  (  79.18,  44.06)    0.47                58
 01/28/2016   02:52:18   ( -79.46,-146.46) 01/28/2016   02:52:37  ( -79.46,-146.50)    0.89                19
 01/30/2016   18:19:27   (  79.29, 160.64) 01/30/2016   18:18:49  (  79.30, 160.70)    1.46                38
 01/30/2016   19:08:47   ( -79.57, -29.84) 01/30/2016   19:09:26  ( -79.57, -29.80)    1.06                39
 02/02/2016   10:35:57   (  79.31, -83.37) 02/02/2016   10:35:40  (  79.31, -83.45)    1.74                17
 02/02/2016   11:25:17   ( -79.59,  86.17) 02/02/2016   11:26:17  ( -79.58,  86.07)    2.02                60
 02/05/2016   02:03:18   ( -78.69,-138.86) 02/05/2016   02:02:04  ( -78.72,-139.02)    5.29                74
 02/05/2016   02:52:23   (  79.51,  33.84) 02/05/2016   02:52:26  (  79.51,  33.97)    2.73                 3
 02/07/2016   18:19:37   ( -79.17, -20.16) 02/07/2016   18:18:44  ( -79.16, -20.27)    2.30                53