Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 12 13.  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)
 12/13/2020   11:24:58   ( -79.44,  85.13) 12/13/2020   11:24:10  ( -79.43,  85.02)    2.37                48
 12/13/2020   12:14:16   (  79.74,-105.11) 12/13/2020   12:14:45  (  79.74,-105.04)    1.50                29
 12/16/2020   03:41:26   ( -79.51,-158.56) 12/16/2020   03:41:04  ( -79.50,-158.66)    2.08                22
 12/16/2020   04:30:44   (  79.80,  11.21) 12/16/2020   04:31:39  (  79.80,  11.30)    1.85                55
 12/18/2020   19:08:33   (  79.32, 148.45) 12/18/2020   19:07:20  (  79.32, 148.32)    2.80                73
 12/18/2020   19:57:52   ( -79.64, -41.75) 12/18/2020   19:57:56  ( -79.63, -41.79)    1.00                 4
 12/21/2020   11:24:58   (  79.45, -94.82) 12/21/2020   11:24:11  (  79.45, -94.87)    1.05                47
 12/21/2020   12:14:18   ( -79.72,  74.77) 12/21/2020   12:14:48  ( -79.73,  74.81)    0.92                30
 12/24/2020   03:41:23   (  79.61,  22.15) 12/24/2020   03:41:02  (  79.61,  22.23)    1.54                21
 12/24/2020   04:30:46   ( -79.77,-169.02) 12/24/2020   04:31:43  ( -79.76,-169.15)    2.81                57
 12/26/2020   19:08:31   ( -79.43, -30.83) 12/26/2020   19:07:19  ( -79.44, -30.76)    1.33                72