Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 1 31.  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)
 02/02/2016   10:35:57   (  79.33, -83.23) 02/02/2016   10:35:40  (  79.32, -83.32)    1.88                17
 02/02/2016   11:25:17   ( -79.60,  86.29) 02/02/2016   11:26:17  ( -79.60,  86.19)    2.05                60
 02/05/2016   02:03:19   ( -78.66,-138.98) 02/05/2016   02:02:05  ( -78.70,-139.15)    5.54                74
 02/05/2016   02:52:24   (  79.49,  33.73) 02/05/2016   02:52:27  (  79.50,  33.85)    2.53                 3
 02/07/2016   18:19:36   ( -79.19, -20.03) 02/07/2016   18:18:43  ( -79.18, -20.14)    2.53                53
 02/07/2016   19:08:52   (  79.56, 150.12) 02/07/2016   19:09:16  (  79.57, 150.21)    1.85                24
 02/10/2016   10:36:04   ( -79.30,  96.53) 02/10/2016   10:35:32  ( -79.29,  96.44)    1.89                32
 02/10/2016   11:25:21   (  79.63, -93.56) 02/10/2016   11:26:06  (  79.64, -93.45)    2.44                45
 02/13/2016   02:52:31   ( -79.43,-146.72) 02/13/2016   02:52:20  ( -79.43,-146.72)    0.16                11