Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 12 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)
 12/16/2021   10:35:32   (  79.44, -82.42) 12/16/2021   10:35:09  (  79.43, -82.56)    3.07                23
 12/16/2021   11:24:52   ( -79.71,  87.12) 12/16/2021   11:25:46  ( -79.70,  87.02)    2.12                54
 12/19/2021   02:51:59   (  79.54,  34.11) 12/19/2021   02:51:58  (  79.53,  34.03)    1.75                 1
 12/19/2021   03:40:04   ( -81.67,-130.13) 12/19/2021   03:41:18  ( -81.29,-129.78)   43.34                74
 12/21/2021   18:19:04   ( -79.44, -18.31) 12/21/2021   18:18:07  ( -79.45, -18.18)    2.91                57
 12/21/2021   19:08:24   (  79.66, 150.87) 12/21/2021   19:08:45  (  79.66, 150.89)    0.47                21
 12/24/2021   10:35:33   ( -79.45,  97.61) 12/24/2021   10:34:59  ( -79.45,  97.58)    0.46                34
 12/24/2021   11:24:53   (  79.66, -93.23) 12/24/2021   11:25:37  (  79.65, -93.37)    2.87                44
 12/27/2021   02:52:01   ( -79.48,-146.27) 12/27/2021   02:51:50  ( -79.48,-146.40)    2.81                11
 12/27/2021   03:41:18   (  79.80,  23.72) 12/27/2021   03:42:24  (  79.81,  23.78)    1.11                66
 12/29/2021   18:19:05   (  79.38, 161.29) 12/29/2021   18:17:59  (  79.38, 161.32)    0.85                66