Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 16.  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)
 06/17/2016   10:35:35   ( -79.14,  95.47) 06/17/2016   10:35:03  ( -79.13,  95.36)    2.43                32
 06/17/2016   11:24:52   (  79.49, -94.64) 06/17/2016   11:25:37  (  79.49, -94.57)    1.46                45
 06/20/2016   02:51:58   ( -79.29,-147.70) 06/20/2016   02:51:52  ( -79.29,-147.67)    0.69                 6
 06/20/2016   03:41:18   (  79.52,  21.44) 06/20/2016   03:42:30  (  79.51,  21.36)    1.77                72
 06/22/2016   18:19:05   (  79.03, 158.90) 06/22/2016   18:18:09  (  79.02, 158.77)    3.10                56
 06/22/2016   19:08:24   ( -79.36, -31.40) 06/22/2016   19:08:45  ( -79.35, -31.47)    1.52                21
 06/25/2016   10:35:27   (  79.24, -83.89) 06/25/2016   10:34:57  (  79.25, -83.80)    1.93                30
 06/25/2016   11:24:50   ( -79.41,  84.85) 06/25/2016   11:25:38  ( -79.40,  84.73)    2.72                48
 06/28/2016   02:51:52   (  79.33,  32.54) 06/28/2016   02:51:49  (  79.33,  32.62)    1.60                 3