Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 8 23.  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)
 08/26/2021   10:35:29   (  79.29, -83.47) 08/26/2021   10:34:36  (  79.30, -83.36)    2.26                53
 08/26/2021   11:24:52   ( -79.46,  85.28) 08/26/2021   11:25:17  ( -79.45,  85.15)    2.73                25
 08/29/2021   02:51:58   (  79.29,  32.41) 08/29/2021   02:51:33  (  79.28,  32.28)    2.93                25
 08/29/2021   03:41:18   ( -79.57,-158.04) 08/29/2021   03:42:10  ( -79.57,-158.11)    1.42                52
 08/31/2021   18:20:18   ( -75.82, -34.42) 08/31/2021   18:19:04  ( -76.03, -35.54)   38.35                74
 08/31/2021   19:08:23   (  79.40, 149.03) 08/31/2021   19:08:25  (  79.40, 148.97)    1.36                 2
 09/03/2021   10:35:28   ( -79.33,  96.81) 09/03/2021   10:34:39  ( -79.34,  96.95)    3.03                49
 09/03/2021   11:24:48   (  79.55, -94.10) 09/03/2021   11:25:17  (  79.55, -94.06)    0.65                29
 09/06/2021   02:51:57   ( -79.32,-147.37) 09/06/2021   02:51:36  ( -79.32,-147.42)    0.95                21