Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 12 18.  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)
 12/18/2014   14:13:14   (  77.14,-148.21) 12/18/2014   14:12:13  (  77.14,-148.20)    0.15                61
 12/18/2014   15:02:27   ( -77.79,  22.12) 12/18/2014   15:02:43  ( -77.79,  22.06)    1.42                16
 12/21/2014   06:29:42   (  77.29, -31.74) 12/21/2014   06:29:01  (  77.28, -31.80)    1.60                41
 12/21/2014   07:18:55   ( -77.94, 138.64) 12/21/2014   07:19:31  ( -77.93, 138.53)    2.88                36
 12/23/2014   22:46:04   (  77.59,  85.38) 12/23/2014   22:45:44  (  77.59,  85.36)    0.40                20
 12/23/2014   23:35:17   ( -78.23,-104.11) 12/23/2014   23:36:14  ( -78.22,-104.16)    1.30                57
 12/26/2014   14:13:50   ( -75.52,  26.47) 12/26/2014   14:12:36  ( -75.58,  26.18)   10.48                74
 12/26/2014   15:02:28   (  77.77,-157.96) 12/26/2014   15:02:31  (  77.77,-158.05)    2.14                 3
 12/26/2014   15:47:29   ( -79.31,  99.69) 12/26/2014   15:48:42  ( -78.65,  96.79)   95.94                73
 12/29/2014   06:29:34   ( -77.54, 149.29) 12/29/2014   06:28:43  ( -77.55, 149.38)    2.30                51
 12/29/2014   07:18:48   (  78.06, -40.79) 12/29/2014   07:19:15  (  78.05, -40.83)    0.86                27
 12/31/2014   22:45:55   ( -77.71, -94.09) 12/31/2014   22:45:30  ( -77.71, -94.08)    0.52                25