Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 11.  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)
 08/13/2018   02:53:39   ( -75.58,-163.45) 08/13/2018   02:52:25  ( -75.79,-164.60)   39.78                74
 08/13/2018   03:41:40   (  79.38,  20.53) 08/13/2018   03:41:41  (  79.39,  20.64)    2.42                 1
 08/15/2018   19:08:46   ( -79.18, -32.53) 08/15/2018   19:07:59  ( -79.18, -32.52)    0.28                47
 08/15/2018   19:58:04   (  79.49, 137.12) 08/15/2018   19:58:34  (  79.49, 137.21)    1.85                30
 08/18/2018   11:25:11   ( -79.29,  84.02) 08/18/2018   11:24:53  ( -79.28,  84.02)    0.25                18
 08/18/2018   12:14:30   (  79.55,-106.57) 08/18/2018   12:15:29  (  79.55,-106.49)    1.56                59
 08/21/2018   02:52:16   (  79.10,  31.12) 08/21/2018   02:51:09  (  79.11,  31.21)    2.00                67
 08/21/2018   03:41:37   ( -79.35,-159.69) 08/21/2018   03:41:48  ( -79.35,-159.69)    0.28                11
 08/23/2018   19:08:40   (  79.24, 147.87) 08/23/2018   19:08:02  (  79.25, 147.97)    2.26                38