Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 6 19.  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)
 06/20/2020   11:25:07   ( -79.35,  84.50) 06/20/2020   11:24:14  ( -79.34,  84.50)    0.26                53
 06/20/2020   12:14:27   (  79.57,-106.33) 06/20/2020   12:14:52  (  79.56,-106.44)    2.59                25
 06/23/2020   03:41:34   ( -79.42,-159.12) 06/23/2020   03:41:06  ( -79.42,-159.11)    0.36                28
 06/23/2020   04:30:54   (  79.64,  10.05) 06/23/2020   04:31:44  (  79.63,   9.97)    1.84                50
 06/25/2020   19:57:59   ( -79.53, -42.50) 06/25/2020   19:57:56  ( -79.53, -42.44)    1.19                 3
 06/25/2020   20:46:33   (  81.14, 141.43) 06/25/2020   20:47:47  (  80.90, 141.86)   27.91                74
 06/28/2020   11:25:05   (  79.35, -95.45) 06/28/2020   11:24:10  (  79.36, -95.39)    1.33                55
 06/28/2020   12:14:25   ( -79.63,  74.12) 06/28/2020   12:14:47  ( -79.64,  74.24)    2.37                22
 07/01/2020   03:41:31   (  79.45,  21.12) 07/01/2020   03:41:01  (  79.46,  21.25)    2.82                30