Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 9 3.  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)
 09/06/2021   02:51:59   ( -79.38,-147.03) 09/06/2021   02:51:34  ( -79.38,-146.98)    0.99                25
 09/06/2021   03:41:20   (  79.56,  21.87) 09/06/2021   03:42:13  (  79.55,  21.78)    2.02                53
 09/08/2021   18:21:47   (  71.41, 135.85) 09/08/2021   18:20:34  (  71.76, 133.80)   81.88                73
 09/08/2021   19:08:28   ( -79.45, -30.65) 09/08/2021   19:08:28  ( -79.46, -30.57)    1.95                 0
 09/11/2021   10:35:36   (  79.27, -83.59) 09/11/2021   10:34:44  (  79.28, -83.53)    1.32                52
 09/11/2021   11:24:59   ( -79.44,  85.17) 09/11/2021   11:25:25  ( -79.44,  85.04)    2.91                26
 09/14/2021   02:52:06   (  79.26,  32.20) 09/14/2021   02:51:40  (  79.25,  32.05)    3.16                26
 09/14/2021   03:41:25   ( -79.58,-157.98) 09/14/2021   03:42:16  ( -79.58,-158.02)    0.83                51
 09/16/2021   19:08:33   (  79.40, 148.97) 09/16/2021   19:08:32  (  79.40, 148.94)    0.70                 1