Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 1 12.  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)
 01/15/2020   03:41:27   ( -79.58,-157.96) 01/15/2020   03:40:58  ( -79.58,-157.98)    0.31                29
 01/15/2020   04:30:46   (  79.83,  11.56) 01/15/2020   04:31:34  (  79.84,  11.67)    2.20                48
 01/17/2020   19:57:55   ( -79.64, -41.61) 01/17/2020   19:57:49  ( -79.64, -41.63)    0.46                 6
 01/17/2020   20:47:14   (  79.89, 127.92) 01/17/2020   20:48:25  (  79.90, 128.03)    2.29                71
 01/20/2020   11:25:03   (  79.43, -94.87) 01/20/2020   11:24:03  (  79.43, -94.99)    2.46                60
 01/20/2020   12:14:22   ( -79.74,  74.99) 01/20/2020   12:14:39  ( -79.74,  74.99)    0.18                17
 01/23/2020   03:41:28   (  79.56,  21.92) 01/23/2020   03:40:51  (  79.56,  21.85)    1.49                37
 01/23/2020   04:30:49   ( -79.80,-168.71) 01/23/2020   04:31:29  ( -79.80,-168.68)    0.85                40
 01/25/2020   19:57:55   (  79.65, 138.44) 01/25/2020   19:57:41  (  79.65, 138.44)    0.03                14