Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 3 23.  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)
 03/24/2014   08:58:02   ( -77.96, 114.03) 03/24/2014   08:57:16  ( -77.96, 114.06)    0.75                46
 03/24/2014   09:47:19   (  78.34, -76.51) 03/24/2014   09:47:51  (  78.33, -76.60)    1.99                32
 03/27/2014   01:14:30   ( -78.10,-129.46) 03/27/2014   01:14:15  ( -78.10,-129.48)    0.63                15
 03/27/2014   02:03:47   (  78.47,  40.03) 03/27/2014   02:04:50  (  78.46,  39.91)    3.03                63
 03/29/2014   16:41:45   (  77.63, 176.70) 03/29/2014   16:40:43  (  77.62, 176.58)    3.08                62
 03/29/2014   17:31:00   ( -78.19, -13.15) 03/29/2014   17:31:15  ( -78.18, -13.26)    2.60                15
 04/01/2014   08:58:11   (  77.95, -66.07) 04/01/2014   08:57:37  (  77.95, -66.04)    0.85                34
 04/01/2014   09:47:28   ( -78.41, 103.78) 04/01/2014   09:48:11  ( -78.41, 103.82)    1.09                43
 04/04/2014   01:14:42   (  78.03,  50.18) 04/04/2014   01:14:36  (  78.02,  50.09)    2.17                 6