Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 4 4.  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)
 04/06/2016   10:36:06   (  79.20, -84.13) 04/06/2016   10:34:56  (  79.20, -84.10)    0.60                70
 04/06/2016   11:25:27   ( -79.44,  85.09) 04/06/2016   11:25:35  ( -79.43,  84.98)    2.43                 8
 04/09/2016   02:52:33   (  79.28,  32.25) 04/09/2016   02:51:50  (  79.27,  32.22)    0.68                43
 04/09/2016   03:41:51   ( -79.63,-157.70) 04/09/2016   03:42:25  ( -79.63,-157.58)    2.56                34
 04/11/2016   19:08:59   (  79.38, 148.84) 04/11/2016   19:08:43  (  79.38, 148.80)    0.91                16
 04/11/2016   19:58:18   ( -79.70, -41.33) 04/11/2016   19:59:19  ( -79.70, -41.22)    2.19                61
 04/14/2016   10:36:08   ( -79.14,  95.54) 04/14/2016   10:35:02  ( -79.14,  95.42)    2.74                66
 04/14/2016   11:25:25   (  79.48, -94.61) 04/14/2016   11:25:36  (  79.48, -94.62)    0.21                11
 04/17/2016   02:52:31   ( -79.32,-147.49) 04/17/2016   02:51:52  ( -79.31,-147.54)    1.19                39