Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 9 21.  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)
 09/22/2021   02:52:10   ( -79.29,-147.60) 09/22/2021   02:51:43  ( -79.28,-147.69)    1.88                27
 09/22/2021   03:41:28   (  79.59,  22.09) 09/22/2021   03:42:18  (  79.59,  22.12)    0.57                50
 09/24/2021   19:08:36   ( -79.45, -30.67) 09/24/2021   19:08:34  ( -79.46, -30.56)    2.45                 2
 09/24/2021   19:56:31   (  81.74, 168.48) 09/24/2021   19:57:44  (  81.29, 169.00)   50.43                73
 09/27/2021   10:35:45   (  79.16, -84.28) 09/27/2021   10:34:52  (  79.16, -84.38)    2.14                53
 09/27/2021   11:25:03   ( -79.52,  85.73) 09/27/2021   11:25:27  ( -79.52,  85.78)    0.92                24
 09/30/2021   02:52:09   (  79.39,  33.07) 09/30/2021   02:51:41  (  79.40,  33.22)    3.14                28
 09/30/2021   03:41:32   ( -79.56,-158.16) 09/30/2021   03:42:22  ( -79.56,-158.17)    0.27                50
 10/02/2021   19:08:37   (  79.46, 149.40) 10/02/2021   19:08:35  (  79.47, 149.52)    2.52                 2