Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 10.  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)
 03/11/2019   19:10:02   ( -76.42, -44.87) 03/11/2019   19:08:48  ( -76.64, -45.98)   37.54                74
 03/11/2019   19:58:12   (  79.69, 138.73) 03/11/2019   19:58:14  (  79.69, 138.72)    0.20                 2
 03/14/2019   11:25:22   ( -79.50,  85.61) 03/14/2019   11:24:29  ( -79.50,  85.53)    1.51                53
 03/14/2019   12:14:40   (  79.79,-104.63) 03/14/2019   12:15:04  (  79.80,-104.49)    2.99                24
 03/17/2019   03:41:49   ( -79.64,-157.53) 03/17/2019   03:41:18  ( -79.64,-157.43)    2.05                31
 03/17/2019   04:31:10   (  79.81,  11.44) 03/17/2019   04:31:57  (  79.81,  11.43)    0.18                47
 03/19/2019   19:58:19   ( -79.66, -41.48) 03/19/2019   19:58:11  ( -79.66, -41.51)    0.47                 8
 03/19/2019   20:47:40   (  79.84, 127.48) 03/19/2019   20:48:50  (  79.83, 127.34)    2.76                70
 03/22/2019   11:25:24   (  79.56, -94.00) 03/22/2019   11:24:21  (  79.56, -93.88)    2.42                63