Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 5.  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)
 01/06/2017   02:51:47   (  79.55,  34.22) 01/06/2017   02:51:15  (  79.55,  34.25)    0.65                32
 01/06/2017   03:41:07   ( -79.81,-156.23) 01/06/2017   03:41:52  ( -79.81,-156.11)    2.57                45
 01/08/2017   19:08:16   (  79.56, 150.18) 01/08/2017   19:08:09  (  79.55, 150.07)    2.25                 7
 01/08/2017   19:57:36   ( -79.82, -40.25) 01/08/2017   19:58:46  ( -79.82, -40.28)    0.50                70
 01/11/2017   10:35:23   ( -79.41,  97.43) 01/11/2017   10:34:23  ( -79.41,  97.35)    1.75                60
 01/11/2017   11:24:41   (  79.71, -92.83) 01/11/2017   11:24:58  (  79.72, -92.73)    2.16                17
 01/14/2017   02:51:50   ( -79.45,-146.43) 01/14/2017   02:51:15  ( -79.44,-146.58)    3.19                35
 01/14/2017   03:41:07   (  79.78,  23.59) 01/14/2017   03:41:49  (  79.78,  23.64)    1.01                42
 01/16/2017   19:08:13   ( -79.67, -29.01) 01/16/2017   19:08:02  ( -79.67, -28.88)    2.63                11