Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 13.  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)
 01/14/2019   19:08:28   (  79.59, 150.38) 01/14/2019   19:07:58  (  79.59, 150.43)    1.01                30
 01/14/2019   19:57:50   ( -79.77, -40.60) 01/14/2019   19:58:38  ( -79.77, -40.71)    2.16                48
 01/17/2019   11:24:55   (  79.67, -93.14) 01/17/2019   11:24:50  (  79.67, -93.15)    0.29                 5
 01/17/2019   12:14:16   ( -79.89,  76.20) 01/17/2019   12:15:28  ( -79.90,  76.33)    2.78                72
 01/20/2019   02:52:02   ( -79.53,-145.89) 01/20/2019   02:51:04  ( -79.54,-145.78)    2.28                58
 01/20/2019   03:41:23   (  79.71,  23.05) 01/20/2019   03:41:43  (  79.71,  23.00)    1.17                20
 01/22/2019   19:08:29   ( -79.61, -29.43) 01/22/2019   19:07:56  ( -79.61, -29.38)    1.07                33
 01/22/2019   19:57:50   (  79.79, 139.51) 01/22/2019   19:58:35  (  79.78, 139.42)    2.00                45
 01/25/2019   11:24:56   ( -79.65,  86.74) 01/25/2019   11:24:48  ( -79.65,  86.74)    0.11                 8