Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 3.  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)
 01/04/2019   02:52:01   ( -79.49,-146.20) 01/04/2019   02:51:10  ( -79.49,-146.22)    0.45                51
 01/04/2019   03:41:20   (  79.75,  23.34) 01/04/2019   03:41:46  (  79.75,  23.38)    0.79                26
 01/06/2019   19:08:30   ( -79.51, -30.16) 01/06/2019   19:08:04  ( -79.51, -30.30)    2.94                26
 01/06/2019   19:57:49   (  79.77, 139.37) 01/06/2019   19:58:40  (  79.77, 139.30)    1.42                51
 01/09/2019   11:24:55   ( -79.68,  86.93) 01/09/2019   11:24:53  ( -79.69,  87.00)    1.30                 2
 01/09/2019   12:13:04   (  81.66, -78.76) 01/09/2019   12:14:17  (  81.28, -78.13)   43.35                73
 01/12/2019   02:52:01   (  79.54,  34.16) 01/12/2019   02:51:06  (  79.55,  34.28)    2.52                55
 01/12/2019   03:41:23   ( -79.74,-156.79) 01/12/2019   03:41:46  ( -79.73,-156.81)    0.54                23
 01/14/2019   19:08:28   (  79.59, 150.39) 01/14/2019   19:07:58  (  79.60, 150.45)    1.33                30