Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 22.  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)
 11/25/2018   02:51:54   (  79.48,  33.69) 11/25/2018   02:51:15  (  79.49,  33.72)    0.91                39
 11/25/2018   03:41:13   ( -79.78,-156.48) 11/25/2018   03:41:51  ( -79.79,-156.33)    3.03                38
 11/27/2018   19:08:21   (  79.56, 150.14) 11/27/2018   19:08:08  (  79.56, 150.08)    1.45                13
 11/27/2018   19:57:41   ( -79.83, -40.27) 11/27/2018   19:58:45  ( -79.83, -40.21)    1.10                64
 11/30/2018   10:35:28   ( -79.42,  97.39) 11/30/2018   10:34:23  ( -79.42,  97.42)    0.51                65
 11/30/2018   11:24:49   (  79.60, -93.69) 11/30/2018   11:25:02  (  79.60, -93.84)    3.18                13
 12/03/2018   02:51:55   ( -79.50,-146.21) 12/03/2018   02:51:16  ( -79.49,-146.23)    0.50                39
 12/03/2018   03:41:14   (  79.75,  23.26) 12/03/2018   03:41:52  (  79.76,  23.36)    2.05                38
 12/05/2018   19:08:21   ( -79.57, -29.84) 12/05/2018   19:08:08  ( -79.56, -29.88)    0.88                13