Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 1.  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)
 07/04/2021   02:51:54   ( -79.32,-147.44) 07/04/2021   02:50:56  ( -79.32,-147.34)    2.15                58
 07/04/2021   03:41:15   (  79.50,  21.47) 07/04/2021   03:41:35  (  79.50,  21.44)    0.80                20
 07/06/2021   19:08:22   ( -79.34, -31.40) 07/06/2021   19:07:53  ( -79.33, -31.50)    2.20                29
 07/06/2021   19:57:40   (  79.64, 138.30) 07/06/2021   19:58:28  (  79.64, 138.38)    1.59                48
 07/09/2021   11:24:47   ( -79.47,  85.38) 07/09/2021   11:24:46  ( -79.47,  85.40)    0.37                 1
 07/09/2021   12:11:53   (  81.64, -54.57) 07/09/2021   12:13:06  (  80.95, -55.66)   79.51                73
 07/12/2021   02:51:52   (  79.32,  32.61) 07/12/2021   02:51:02  (  79.33,  32.69)    1.75                50
 07/12/2021   03:41:15   ( -79.49,-158.64) 07/12/2021   03:41:43  ( -79.48,-158.78)    2.95                28
 07/14/2021   19:08:18   (  79.37, 148.79) 07/14/2021   19:07:57  (  79.37, 148.75)    0.88                21