Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 9 24.  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)
 09/24/2021   19:08:35   ( -79.46, -30.59) 09/24/2021   19:08:33  ( -79.47, -30.48)    2.56                 2
 09/24/2021   19:56:30   (  81.74, 168.64) 09/24/2021   19:57:43  (  81.29, 169.15)   50.63                73
 09/27/2021   10:35:45   (  79.18, -84.21) 09/27/2021   10:34:52  (  79.17, -84.29)    1.71                53
 09/27/2021   11:25:03   ( -79.53,  85.79) 09/27/2021   11:25:27  ( -79.53,  85.86)    1.39                24
 09/30/2021   02:52:12   (  79.28,  32.35) 09/30/2021   02:51:45  (  79.27,  32.25)    2.24                27
 09/30/2021   03:41:31   ( -79.60,-157.86) 09/30/2021   03:42:21  ( -79.60,-157.82)    0.91                50
 10/02/2021   19:08:39   (  79.38, 148.89) 10/02/2021   19:08:38  (  79.37, 148.80)    2.06                 1
 10/02/2021   19:56:30   ( -81.77, -10.11) 10/02/2021   19:57:44  ( -81.30,  -9.93)   52.05                74
 10/05/2021   10:35:44   ( -79.29,  96.54) 10/05/2021   10:34:51  ( -79.30,  96.68)    2.90                53
 10/05/2021   11:25:05   (  79.47, -94.60) 10/05/2021   11:25:30  (  79.47, -94.66)    1.15                25