Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 1 21.  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)
 01/23/2020   03:41:29   (  79.54,  21.81) 01/23/2020   03:40:52  (  79.54,  21.70)    2.39                37
 01/23/2020   04:30:49   ( -79.81,-168.60) 01/23/2020   04:31:29  ( -79.81,-168.59)    0.22                40
 01/25/2020   19:57:56   (  79.63, 138.33) 01/25/2020   19:57:42  (  79.63, 138.27)    1.10                14
 01/25/2020   20:47:17   ( -79.86, -52.31) 01/25/2020   20:48:20  ( -79.87, -52.26)    1.21                63
 01/28/2020   11:25:04   ( -79.43,  85.12) 01/28/2020   11:23:56  ( -79.42,  85.01)    2.39                68
 01/28/2020   12:14:22   (  79.72,-105.18) 01/28/2020   12:14:31  (  79.72,-105.14)    0.74                 9
 01/31/2020   03:41:30   ( -79.55,-158.15) 01/31/2020   03:40:45  ( -79.55,-158.17)    0.29                45
 01/31/2020   04:30:48   (  79.83,  11.58) 01/31/2020   04:31:20  (  79.84,  11.73)    3.08                32
 02/02/2020   19:57:56   ( -79.66, -41.44) 02/02/2020   19:57:34  ( -79.67, -41.33)    2.40                22