Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 15.  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)
 10/16/2018   02:51:57   ( -79.40,-146.89) 10/16/2018   02:51:19  ( -79.40,-146.94)    0.85                38
 10/16/2018   03:41:16   (  79.66,  22.52) 10/16/2018   03:41:56  (  79.65,  22.45)    1.44                40
 10/18/2018   19:08:21   ( -79.56, -29.97) 10/18/2018   19:08:09  ( -79.56, -29.89)    1.76                12
 10/18/2018   19:57:40   (  79.80, 139.47) 10/18/2018   19:58:46  (  79.80, 139.55)    1.49                66
 10/21/2018   10:35:27   (  79.34, -83.19) 10/21/2018   10:34:25  (  79.34, -83.23)    0.95                62
 10/21/2018   11:24:48   ( -79.59,  86.14) 10/21/2018   11:25:03  ( -79.58,  86.07)    1.54                15
 10/24/2018   02:51:49   (  79.52,  33.91) 10/24/2018   02:51:13  (  79.53,  34.03)    2.65                36
 10/24/2018   03:41:11   ( -79.73,-156.98) 10/24/2018   03:41:52  ( -79.73,-156.88)    2.01                41
 10/26/2018   19:08:16   (  79.54, 149.93) 10/26/2018   19:08:07  (  79.54, 149.94)    0.32                 9