Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 6 10.  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)
 06/12/2017   11:24:57   ( -79.36,  84.57) 06/12/2017   11:24:29  ( -79.37,  84.71)    3.18                28
 06/12/2017   12:14:16   (  79.59,-106.26) 06/12/2017   12:15:06  (  79.59,-106.18)    1.86                50
 06/15/2017   03:41:22   ( -79.43,-159.10) 06/15/2017   03:41:21  ( -79.44,-158.99)    2.49                 1
 06/15/2017   04:27:54   (  81.02,  73.92) 06/15/2017   04:29:06  (  80.20,  71.80)   99.16                72
 06/17/2017   19:08:27   (  79.25, 147.94) 06/17/2017   19:07:36  (  79.26, 148.03)    2.00                51
 06/17/2017   19:57:47   ( -79.53, -42.53) 06/17/2017   19:58:13  ( -79.54, -42.42)    2.27                26
 06/20/2017   11:24:52   (  79.34, -95.56) 06/20/2017   11:24:28  (  79.35, -95.46)    2.33                24
 06/20/2017   12:14:12   ( -79.62,  74.02) 06/20/2017   12:15:05  ( -79.63,  74.15)    2.56                53
 06/23/2017   02:52:14   ( -78.53,-152.09) 06/23/2017   02:51:00  ( -78.58,-152.31)    7.50                74