Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 17.  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   10:35:29   ( -79.29,  96.49) 08/18/2021   10:34:32  ( -79.29,  96.59)    2.03                57
 08/18/2021   11:24:49   (  79.51, -94.37) 08/18/2021   11:25:10  (  79.51, -94.36)    0.25                21
 08/21/2021   02:51:56   ( -79.38,-147.03) 08/21/2021   02:51:26  ( -79.38,-146.93)    2.25                30
 08/21/2021   03:41:16   (  79.59,  22.11) 08/21/2021   03:42:04  (  79.60,  22.14)    0.51                48
 08/23/2021   19:08:23   ( -79.46, -30.57) 08/23/2021   19:08:20  ( -79.47, -30.43)    2.97                 3
 08/23/2021   19:56:44   (  81.38, 158.03) 08/23/2021   19:57:57  (  81.08, 158.84)   35.44                73
 08/26/2021   10:35:29   (  79.30, -83.43) 08/26/2021   10:34:36  (  79.31, -83.30)    3.00                53
 08/26/2021   11:24:52   ( -79.47,  85.36) 08/26/2021   11:25:17  ( -79.46,  85.25)    2.22                25
 08/29/2021   02:51:57   (  79.30,  32.45) 08/29/2021   02:51:32  (  79.29,  32.36)    1.87                25