Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 5 25.  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)
 05/25/2019   11:25:05   (  79.38, -95.33) 05/25/2019   11:24:40  (  79.38, -95.37)    0.99                25
 05/25/2019   12:14:25   ( -79.65,  74.18) 05/25/2019   12:15:17  ( -79.66,  74.27)    2.04                52
 05/28/2019   02:52:22   ( -78.78,-150.74) 05/28/2019   02:51:08  ( -78.82,-150.91)    5.75                74
 05/28/2019   03:41:29   (  79.52,  21.54) 05/28/2019   03:41:32  (  79.53,  21.61)    1.48                 3
 05/30/2019   19:08:36   ( -79.33, -31.54) 05/30/2019   19:07:50  ( -79.33, -31.51)    0.76                46
 05/30/2019   19:57:56   (  79.55, 137.59) 05/30/2019   19:58:28  (  79.54, 137.50)    2.01                32
 06/02/2019   11:25:02   ( -79.35,  84.50) 06/02/2019   11:24:45  ( -79.35,  84.37)    2.57                17
 06/02/2019   12:14:19   (  79.68,-105.58) 06/02/2019   12:15:19  (  79.68,-105.51)    1.47                60
 06/05/2019   02:52:05   (  79.24,  32.00) 06/05/2019   02:50:59  (  79.23,  31.97)    0.67                66
 06/05/2019   03:41:25   ( -79.52,-158.46) 06/05/2019   03:41:36  ( -79.53,-158.41)    1.02                11
 06/07/2019   19:08:31   (  79.29, 148.22) 06/07/2019   19:07:54  (  79.28, 148.09)    2.71                37