Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 16.  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)
 03/16/2021   19:57:59   (  79.53, 137.46) 03/16/2021   19:57:57  (  79.52, 137.34)    2.55                 2
 03/16/2021   20:46:48   ( -80.79, -43.49) 03/16/2021   20:48:02  ( -80.63, -43.05)   18.78                74
 03/19/2021   11:25:06   ( -79.38,  84.71) 03/19/2021   11:24:11  ( -79.39,  84.69)    0.33                55
 03/19/2021   12:14:26   (  79.61,-106.10) 03/19/2021   12:14:49  (  79.60,-106.21)    2.28                23
 03/22/2021   03:41:32   ( -79.50,-158.63) 03/22/2021   03:41:02  ( -79.50,-158.61)    0.50                30
 03/22/2021   04:30:53   (  79.68,  10.31) 03/22/2021   04:31:41  (  79.68,  10.24)    1.36                48
 03/24/2021   19:57:58   ( -79.61, -41.99) 03/24/2021   19:57:53  ( -79.61, -41.90)    1.94                 5
 03/24/2021   20:47:19   (  79.78, 126.96) 03/24/2021   20:48:32  (  79.78, 126.97)    0.31                73
 03/27/2021   11:25:06   (  79.36, -95.48) 03/27/2021   11:24:10  (  79.34, -95.62)    3.07                56