Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 12.  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   02:53:37   ( -75.64,-163.26) 08/13/2018   02:52:23  ( -75.86,-164.39)   39.11                74
 08/13/2018   03:41:39   (  79.40,  20.64) 08/13/2018   03:41:40  (  79.40,  20.75)    2.29                 1
 08/15/2018   19:08:47   ( -79.15, -32.69) 08/15/2018   19:08:00  ( -79.16, -32.68)    0.39                47
 08/15/2018   19:58:05   (  79.46, 136.97) 08/15/2018   19:58:35  (  79.47, 137.04)    1.62                30
 08/18/2018   11:25:12   ( -79.26,  83.86) 08/18/2018   11:24:54  ( -79.26,  83.85)    0.15                18
 08/18/2018   12:14:31   (  79.53,-106.72) 08/18/2018   12:15:30  (  79.53,-106.66)    1.22                59
 08/21/2018   02:52:16   (  79.12,  31.23) 08/21/2018   02:51:09  (  79.12,  31.30)    1.41                67
 08/21/2018   03:41:37   ( -79.36,-159.59) 08/21/2018   03:41:48  ( -79.36,-159.61)    0.35                11
 08/23/2018   19:08:40   (  79.22, 147.74) 08/23/2018   19:08:02  (  79.22, 147.80)    1.32                38
 08/23/2018   19:58:01   ( -79.46, -43.05) 08/23/2018   19:58:41  ( -79.46, -43.06)    0.40                40
 08/26/2018   11:25:05   (  79.32, -95.76) 08/26/2018   11:24:56  (  79.32, -95.70)    1.47                 9