Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 9 29.  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)
 09/30/2015   01:13:22   (  78.75,  53.78) 09/30/2015   01:12:41  (  78.74,  53.67)    2.57                41
 09/30/2015   02:02:40   ( -79.12,-136.42) 09/30/2015   02:03:16  ( -79.11,-136.52)    1.99                36
 10/02/2015   17:29:44   (  78.93, 170.69) 10/02/2015   17:29:30  (  78.92, 170.65)    0.92                14
 10/02/2015   18:19:02   ( -79.29, -19.44) 10/02/2015   18:20:05  ( -79.29, -19.44)    0.15                63
 10/05/2015   08:56:50   ( -78.69, 117.61) 10/05/2015   08:55:46  ( -78.69, 117.56)    1.17                64
 10/05/2015   09:46:04   (  79.17, -71.96) 10/05/2015   09:46:17  (  79.18, -71.84)    2.65                13
 10/08/2015   01:13:12   ( -78.80,-125.87) 10/08/2015   01:12:36  ( -78.80,-125.96)    1.92                36
 10/08/2015   02:02:26   (  79.27,  44.60) 10/08/2015   02:03:07  (  79.28,  44.68)    1.80                41
 10/10/2015   17:29:33   ( -78.98,  -8.95) 10/10/2015   17:29:25  ( -78.98,  -8.99)    0.80                 8
 10/10/2015   18:18:48   (  79.40, 161.35) 10/10/2015   18:19:57  (  79.41, 161.48)    2.84                69
 10/13/2015   08:56:35   (  78.81, -61.70) 10/13/2015   08:55:38  (  78.81, -61.68)    0.42                57