Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 9 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)
 09/18/2014   21:57:09   ( -75.12, -90.57) 09/18/2014   21:56:37  ( -75.11, -90.65)    2.60                32
 09/18/2014   22:46:10   (  76.34,  80.65) 09/18/2014   22:46:55  (  76.33,  80.63)    0.62                45
 09/21/2014   13:29:07   (  58.44,-162.73) 09/21/2014   13:27:54  (  58.68,-164.05)   81.25                73
 09/21/2014   14:13:23   ( -75.73,  27.03) 09/21/2014   14:13:20  ( -75.74,  27.04)    0.36                 3
 09/21/2014   15:01:58   (  78.10,-156.55) 09/21/2014   15:03:12  (  78.02,-156.29)   11.32                74
 09/24/2014   05:40:35   (  75.04, -26.64) 09/24/2014   05:39:45  (  75.05, -26.61)    1.08                50
 09/24/2014   06:29:40   ( -76.15, 144.20) 09/24/2014   06:30:07  ( -76.16, 144.22)    0.66                27
 09/26/2014   21:56:54   (  75.29,  89.91) 09/26/2014   21:56:35  (  75.28,  89.85)    1.91                19
 09/26/2014   22:46:00   ( -76.34, -99.29) 09/26/2014   22:46:58  ( -76.34, -99.35)    1.76                58
 09/29/2014   13:24:09   ( -74.47,  36.07) 09/29/2014   13:23:04  ( -74.46,  36.01)    2.10                65
 09/29/2014   14:13:09   (  75.75,-152.88) 09/29/2014   14:13:21  (  75.74,-152.93)    1.70                12
 10/02/2014   05:40:17   ( -75.26, 154.00) 10/02/2014   05:39:43  ( -75.27, 154.04)    1.22                34