Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 12 8.  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)
 12/08/2021   10:35:28   ( -79.51,  98.07) 12/08/2021   10:35:16  ( -79.51,  98.02)    1.10                12
 12/08/2021   11:24:46   (  79.81, -92.14) 12/08/2021   11:25:51  (  79.81, -91.99)    3.03                65
 12/11/2021   02:02:37   (  79.28,  44.73) 12/11/2021   02:01:30  (  79.27,  44.60)    2.94                67
 12/11/2021   02:51:57   ( -79.56,-145.77) 12/11/2021   02:52:07  ( -79.55,-145.87)    2.26                10
 12/13/2021   18:19:02   (  79.47, 161.85) 12/13/2021   18:18:16  (  79.48, 161.99)    3.09                46
 12/13/2021   19:08:25   ( -79.63, -29.38) 12/13/2021   19:08:57  ( -79.62, -29.50)    2.57                32
 12/16/2021   10:35:32   (  79.45, -82.36) 12/16/2021   10:35:09  (  79.44, -82.49)    2.77                23
 12/16/2021   11:24:53   ( -79.69,  86.96) 12/16/2021   11:25:47  ( -79.68,  86.86)    1.99                54
 12/19/2021   02:51:58   (  79.55,  34.16) 12/19/2021   02:51:57  (  79.54,  34.10)    1.38                 1
 12/19/2021   03:40:01   ( -81.70,-129.15) 12/19/2021   03:41:15  ( -81.30,-128.84)   44.70                74
 12/21/2021   18:19:07   ( -79.34, -19.00) 12/21/2021   18:18:11  ( -79.33, -19.13)    3.11                56