Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 9.  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)
 05/09/2021   03:41:26   ( -79.42,-159.15) 05/09/2021   03:40:55  ( -79.43,-159.09)    1.20                31
 05/09/2021   04:30:47   (  79.61,   9.78) 05/09/2021   04:31:34  (  79.60,   9.69)    1.71                47
 05/11/2021   19:57:53   ( -79.50, -42.71) 05/11/2021   19:57:50  ( -79.51, -42.65)    1.40                 3
 05/11/2021   20:46:30   (  81.05, 140.08) 05/11/2021   20:47:44  (  80.83, 140.49)   25.81                74
 05/14/2021   11:24:59   (  79.34, -95.59) 05/14/2021   11:24:07  (  79.33, -95.60)    0.57                52
 05/14/2021   12:14:19   ( -79.62,  73.97) 05/14/2021   12:14:44  ( -79.62,  74.06)    2.04                25
 05/17/2021   03:41:24   (  79.45,  21.03) 05/17/2021   03:41:00  (  79.45,  21.06)    0.57                24
 05/17/2021   04:30:44   ( -79.72,-169.37) 05/17/2021   04:31:37  ( -79.73,-169.21)    3.19                53
 05/19/2021   19:08:33   ( -79.22, -32.22) 05/19/2021   19:07:20  ( -79.22, -32.27)    1.14                73
 05/19/2021   19:57:50   (  79.55, 137.64) 05/19/2021   19:57:54  (  79.56, 137.74)    2.02                 4
 05/22/2021   11:24:58   ( -79.37,  84.60) 05/22/2021   11:24:13  ( -79.37,  84.64)    0.83                45