Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 12 4.  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)
 12/05/2021   18:19:00   ( -79.47, -18.12) 12/05/2021   18:18:26  ( -79.47, -18.07)    1.03                34
 12/05/2021   19:08:21   (  79.66, 150.83) 12/05/2021   19:09:05  (  79.65, 150.77)    1.39                44
 12/08/2021   10:35:28   ( -79.52,  98.07) 12/08/2021   10:35:16  ( -79.51,  98.05)    0.61                12
 12/08/2021   11:24:49   (  79.70, -92.98) 12/08/2021   11:25:55  (  79.69, -93.12)    2.89                66
 12/11/2021   02:02:37   (  79.27,  44.68) 12/11/2021   02:01:30  (  79.27,  44.60)    1.64                67
 12/11/2021   02:51:56   ( -79.59,-145.53) 12/11/2021   02:52:06  ( -79.59,-145.57)    0.94                10
 12/13/2021   18:19:03   (  79.41, 161.48) 12/13/2021   18:18:18  (  79.41, 161.45)    0.74                45
 12/13/2021   19:08:24   ( -79.65, -29.20) 12/13/2021   19:08:56  ( -79.65, -29.21)    0.24                32
 12/16/2021   10:35:29   (  79.54, -81.75) 12/16/2021   10:35:06  (  79.54, -81.68)    1.48                23