Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 8 8.  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)
 08/10/2017   02:51:51   ( -79.20,-148.20) 08/10/2017   02:50:56  ( -79.21,-148.06)    3.06                55
 08/10/2017   03:41:12   (  79.39,  20.66) 08/10/2017   03:41:35  (  79.39,  20.62)    0.96                23
 08/12/2017   19:08:17   ( -79.26, -31.95) 08/12/2017   19:07:51  ( -79.27, -31.90)    1.14                26
 08/12/2017   19:57:38   (  79.45, 136.92) 08/12/2017   19:58:30  (  79.44, 136.78)    2.86                52
 08/15/2017   10:35:59   (  77.52, -92.63) 08/15/2017   10:34:45  (  77.64, -93.11)   18.20                74
 08/15/2017   11:24:43   ( -79.35,  84.54) 08/15/2017   11:24:46  ( -79.35,  84.52)    0.34                 3
 08/18/2017   02:51:48   (  79.19,  31.75) 08/18/2017   02:51:02  (  79.20,  31.83)    1.62                46
 08/18/2017   03:41:09   ( -79.44,-159.00) 08/18/2017   03:41:41  ( -79.43,-159.06)    1.27                32
 08/20/2017   19:08:14   (  79.28, 148.17) 08/20/2017   19:07:57  (  79.28, 148.21)    1.13                17