Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 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)
 10/13/2018   10:35:33   ( -79.28,  96.38) 10/13/2018   10:34:29  ( -79.27,  96.23)    3.17                64
 10/13/2018   11:24:49   (  79.65, -93.45) 10/13/2018   11:25:02  (  79.65, -93.34)    2.43                13
 10/16/2018   02:51:57   ( -79.40,-146.94) 10/16/2018   02:51:19  ( -79.40,-147.00)    1.16                38
 10/16/2018   03:41:16   (  79.65,  22.44) 10/16/2018   03:41:56  (  79.65,  22.37)    1.61                40
 10/18/2018   19:08:21   ( -79.55, -30.02) 10/18/2018   19:08:09  ( -79.55, -29.95)    1.40                12
 10/18/2018   19:57:40   (  79.79, 139.41) 10/18/2018   19:58:46  (  79.79, 139.47)    1.25                66
 10/21/2018   10:35:27   (  79.33, -83.24) 10/21/2018   10:34:25  (  79.33, -83.29)    1.20                62
 10/21/2018   11:24:48   ( -79.58,  86.10) 10/21/2018   11:25:03  ( -79.58,  86.01)    1.90                15
 10/24/2018   02:51:50   (  79.51,  33.86) 10/24/2018   02:51:14  (  79.52,  33.98)    2.41                36