Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 27.  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)
 08/29/2018   02:52:17   ( -79.03,-149.30) 08/29/2018   02:51:17  ( -79.03,-149.39)    1.94                60
 08/29/2018   03:41:35   (  79.35,  20.33) 08/29/2018   03:41:52  (  79.35,  20.28)    1.09                17
 08/31/2018   19:08:41   ( -79.22, -32.26) 08/31/2018   19:08:08  ( -79.23, -32.16)    2.33                33
 08/31/2018   19:58:02   (  79.42, 136.65) 08/31/2018   19:58:47  (  79.41, 136.52)    2.97                45
 09/03/2018   11:25:07   ( -79.29,  84.03) 09/03/2018   11:25:02  ( -79.29,  84.06)    0.69                 5
 09/03/2018   12:14:26   (  79.55,-106.53) 09/03/2018   12:15:38  (  79.56,-106.44)    2.08                72
 09/06/2018   02:52:13   (  79.10,  31.12) 09/06/2018   02:51:18  (  79.11,  31.20)    1.77                55
 09/06/2018   03:41:34   ( -79.35,-159.70) 09/06/2018   03:41:57  ( -79.35,-159.72)    0.56                23
 09/08/2018   19:08:39   (  79.20, 147.58) 09/08/2018   19:08:12  (  79.20, 147.64)    1.24                27