Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 6 7.  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)
 06/09/2017   19:08:33   ( -79.19, -32.43) 06/09/2017   19:07:39  ( -79.18, -32.52)    2.07                54
 06/09/2017   19:57:50   (  79.53, 137.49) 06/09/2017   19:58:13  (  79.54, 137.62)    2.82                23
 06/12/2017   11:24:59   ( -79.26,  83.92) 06/12/2017   11:24:32  ( -79.25,  83.78)    3.10                27
 06/12/2017   12:14:16   (  79.60,-106.16) 06/12/2017   12:15:06  (  79.61,-106.07)    2.05                50
 06/15/2017   03:41:22   ( -79.45,-158.99) 06/15/2017   03:41:21  ( -79.46,-158.86)    2.82                 1
 06/17/2017   19:08:27   (  79.26, 148.03) 06/17/2017   19:07:36  (  79.27, 148.15)    2.76                51
 06/17/2017   19:57:47   ( -79.55, -42.42) 06/17/2017   19:58:13  ( -79.55, -42.28)    2.97                26
 06/20/2017   11:24:53   (  79.28, -95.98) 06/20/2017   11:24:30  (  79.27, -96.10)    2.89                23