Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 12 7.  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   10:35:29   ( -79.51,  98.02) 12/08/2021   10:35:17  ( -79.50,  97.97)    1.04                12
 12/08/2021   11:24:47   (  79.80, -92.20) 12/08/2021   11:25:52  (  79.81, -92.05)    3.09                65
 12/11/2021   02:02:37   (  79.27,  44.67) 12/11/2021   02:01:30  (  79.26,  44.55)    2.62                67
 12/11/2021   02:51:57   ( -79.55,-145.83) 12/11/2021   02:52:07  ( -79.54,-145.92)    1.95                10
 12/13/2021   18:19:04   (  79.38, 161.26) 12/13/2021   18:18:19  (  79.37, 161.14)    2.53                45
 12/13/2021   19:08:25   ( -79.62, -29.45) 12/13/2021   19:08:57  ( -79.61, -29.54)    1.81                32
 12/16/2021   10:35:31   (  79.48, -82.19) 12/16/2021   10:35:08  (  79.47, -82.26)    1.38                23
 12/16/2021   11:24:52   ( -79.71,  87.14) 12/16/2021   11:25:46  ( -79.71,  87.11)    0.60                54
 12/19/2021   02:51:57   (  79.60,  34.58) 12/19/2021   02:51:56  (  79.60,  34.62)    0.85                 1