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   ( -76.44, -44.80) 03/11/2019   19:08:48  ( -76.66, -45.91)   37.34                74
 03/11/2019   19:58:12   (  79.70, 138.83) 03/11/2019   19:58:14  (  79.70, 138.83)    0.10                 2
 03/14/2019   11:25:22   ( -79.51,  85.70) 03/14/2019   11:24:29  ( -79.51,  85.64)    1.32                53
 03/14/2019   12:14:40   (  79.80,-104.53) 03/14/2019   12:15:04  (  79.81,-104.38)    3.10                24
 03/17/2019   03:41:49   ( -79.65,-157.43) 03/17/2019   03:41:18  ( -79.66,-157.32)    2.33                31
 03/17/2019   04:31:10   (  79.83,  11.53) 03/17/2019   04:31:57  (  79.83,  11.54)    0.19                47
 03/19/2019   19:58:18   ( -79.67, -41.39) 03/19/2019   19:58:10  ( -79.67, -41.39)    0.08                 8
 03/19/2019   20:47:39   (  79.85, 127.58) 03/19/2019   20:48:49  (  79.84, 127.46)    2.41                70
 03/22/2019   11:25:24   (  79.57, -93.91) 03/22/2019   11:24:21  (  79.58, -93.77)    2.89                63