Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 18.  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)
 07/20/2021   02:51:56   ( -79.30,-147.53) 07/20/2021   02:51:09  ( -79.30,-147.52)    0.20                47
 07/20/2021   03:41:16   (  79.53,  21.64) 07/20/2021   03:41:47  (  79.52,  21.55)    1.85                31
 07/22/2021   19:08:22   ( -79.43, -30.80) 07/22/2021   19:08:02  ( -79.44, -30.67)    2.84                20
 07/22/2021   19:57:42   (  79.65, 138.39) 07/22/2021   19:58:40  (  79.65, 138.44)    1.08                58
 07/25/2021   10:35:29   (  79.19, -84.10) 07/25/2021   10:34:20  (  79.19, -84.16)    1.53                69
 07/25/2021   11:24:49   ( -79.48,  85.41) 07/25/2021   11:24:57  ( -79.47,  85.38)    0.58                 8
 07/28/2021   02:51:54   (  79.35,  32.81) 07/28/2021   02:51:12  (  79.36,  32.90)    1.88                42
 07/28/2021   03:41:15   ( -79.60,-157.89) 07/28/2021   03:41:50  ( -79.60,-157.76)    2.75                35
 07/30/2021   19:08:22   (  79.39, 148.94) 07/30/2021   19:08:08  (  79.39, 148.90)    0.82                14