Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 2 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)
 02/28/2015   15:52:02   ( -78.31,  12.25) 02/28/2015   15:51:28  ( -78.30,  12.15)    2.36                34
 02/28/2015   16:41:16   (  78.81,-177.46) 02/28/2015   16:41:59  (  78.80,-177.53)    1.72                43
 03/03/2015   08:08:27   ( -78.57, 129.49) 03/03/2015   08:08:13  ( -78.57, 129.51)    0.46                14
 03/03/2015   08:57:42   (  79.02, -60.35) 03/03/2015   08:58:45  (  79.02, -60.30)    1.31                63
 03/05/2015   23:35:41   (  78.15,  75.59) 03/05/2015   23:34:31  (  78.15,  75.56)    0.56                70
 03/06/2015   00:24:54   ( -78.76,-113.63) 03/06/2015   00:25:01  ( -78.76,-113.56)    1.72                 7
 03/08/2015   15:52:07   (  78.34,-167.57) 03/08/2015   15:51:19  (  78.34,-167.61)    0.98                48
 03/08/2015   16:41:21   ( -78.90,   3.08) 03/08/2015   16:41:50  ( -78.91,   3.15)    1.42                29
 03/11/2015   08:08:34   (  78.46, -51.10) 03/11/2015   08:08:09  (  78.45, -51.23)    3.00                25
 03/11/2015   08:57:49   ( -78.97, 119.38) 03/11/2015   08:58:41  ( -78.97, 119.36)    0.48                52