Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 12 25.  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)
 12/26/2014   14:13:40   ( -75.97,  27.82) 12/26/2014   14:12:26  ( -76.02,  27.61)    7.69                74
 12/26/2014   15:02:26   (  77.83,-157.68) 12/26/2014   15:02:29  (  77.83,-157.71)    0.69                 3
 12/29/2014   06:29:36   ( -77.39, 148.69) 12/29/2014   06:28:46  ( -77.38, 148.65)    0.97                50
 12/29/2014   07:18:43   (  78.22, -39.98) 12/29/2014   07:19:10  (  78.23, -39.90)    2.02                27
 12/31/2014   22:45:53   ( -77.71, -94.08) 12/31/2014   22:45:29  ( -77.71, -94.09)    0.42                24
 12/31/2014   23:35:01   (  78.48,  77.22) 12/31/2014   23:35:54  (  78.49,  77.34)    2.73                53
 01/03/2015   14:12:59   (  77.16,-148.03) 01/03/2015   14:11:46  (  77.15,-148.10)    1.81                73
 01/03/2015   15:02:10   ( -77.90,  22.67) 01/03/2015   15:02:14  ( -77.89,  22.59)    1.82                 4
 01/06/2015   06:29:09   (  77.64, -30.18) 01/06/2015   06:28:25  (  77.64, -30.17)    0.28                44