Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 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)
 11/17/2018   02:51:54   ( -79.47,-146.39) 11/17/2018   02:51:16  ( -79.47,-146.41)    0.62                38
 11/17/2018   03:41:14   (  79.69,  22.81) 11/17/2018   03:41:54  (  79.68,  22.70)    2.58                40
 11/19/2018   19:08:20   ( -79.61, -29.58) 11/19/2018   19:08:07  ( -79.61, -29.47)    2.44                13
 11/19/2018   19:57:41   (  79.78, 139.37) 11/19/2018   19:58:46  (  79.78, 139.39)    0.36                65
 11/22/2018   10:35:29   (  79.34, -83.15) 11/22/2018   10:34:25  (  79.34, -83.24)    1.95                64
 11/22/2018   11:24:48   ( -79.66,  86.67) 11/22/2018   11:25:01  ( -79.65,  86.65)    0.41                13
 11/25/2018   02:51:54   (  79.50,  33.82) 11/25/2018   02:51:15  (  79.51,  33.90)    1.85                39
 11/25/2018   03:41:16   ( -79.70,-157.12) 11/25/2018   03:41:55  ( -79.69,-157.24)    2.57                39
 11/27/2018   19:08:20   (  79.58, 150.25) 11/27/2018   19:08:07  (  79.58, 150.24)    0.30                13