Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 9.  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)
 01/11/2017   10:35:23   ( -79.39,  97.25) 01/11/2017   10:34:23  ( -79.38,  97.15)    2.15                60
 01/11/2017   11:24:41   (  79.69, -92.99) 01/11/2017   11:24:58  (  79.70, -92.92)    1.63                17
 01/14/2017   02:51:48   ( -79.54,-145.81) 01/14/2017   02:51:12  ( -79.55,-145.70)    2.52                36
 01/14/2017   03:41:08   (  79.76,  23.43) 01/14/2017   03:41:50  (  79.76,  23.45)    0.33                42
 01/16/2017   19:08:15   ( -79.61, -29.43) 01/16/2017   19:08:04  ( -79.62, -29.35)    1.71                11
 01/16/2017   19:57:35   (  79.83, 139.82) 01/16/2017   19:58:42  (  79.83, 139.82)    0.31                67
 01/19/2017   10:35:21   (  79.44, -82.38) 01/19/2017   10:34:18  (  79.45, -82.34)    1.03                63
 01/19/2017   11:24:41   ( -79.71,  87.19) 01/19/2017   11:24:55  ( -79.72,  87.27)    1.78                14
 01/22/2017   02:51:45   (  79.57,  34.42) 01/22/2017   02:51:07  (  79.58,  34.53)    2.16                38