Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 16.  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)
 08/18/2021   10:35:30   ( -79.28,  96.43) 08/18/2021   10:34:33  ( -79.28,  96.52)    2.04                57
 08/18/2021   11:24:50   (  79.50, -94.45) 08/18/2021   11:25:11  (  79.50, -94.44)    0.35                21
 08/21/2021   02:51:56   ( -79.37,-147.09) 08/21/2021   02:51:26  ( -79.37,-147.00)    2.11                30
 08/21/2021   03:41:16   (  79.58,  22.04) 08/21/2021   03:42:04  (  79.59,  22.05)    0.40                48
 08/23/2021   19:08:23   ( -79.45, -30.62) 08/23/2021   19:08:20  ( -79.46, -30.51)    2.56                 3
 08/23/2021   19:56:46   (  81.33, 157.17) 08/23/2021   19:57:59  (  81.05, 157.98)   34.12                73
 08/26/2021   10:35:29   (  79.29, -83.49) 08/26/2021   10:34:36  (  79.30, -83.39)    2.19                53
 08/26/2021   11:24:52   ( -79.46,  85.30) 08/26/2021   11:25:17  ( -79.45,  85.16)    3.02                25
 08/29/2021   02:51:58   (  79.29,  32.41) 08/29/2021   02:51:33  (  79.28,  32.26)    3.17                25