Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 1 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)
 01/15/2020   03:41:27   ( -79.58,-157.94) 01/15/2020   03:40:58  ( -79.58,-157.95)    0.32                29
 01/15/2020   04:30:46   (  79.83,  11.59) 01/15/2020   04:31:34  (  79.84,  11.70)    2.13                48
 01/17/2020   19:57:55   ( -79.65, -41.59) 01/17/2020   19:57:49  ( -79.65, -41.61)    0.52                 6
 01/17/2020   20:47:14   (  79.89, 127.95) 01/17/2020   20:48:25  (  79.90, 128.05)    2.16                71
 01/20/2020   11:25:03   (  79.43, -94.85) 01/20/2020   11:24:03  (  79.43, -94.97)    2.63                60
 01/20/2020   12:14:21   ( -79.74,  75.01) 01/20/2020   12:14:38  ( -79.74,  75.00)    0.33                17
 01/23/2020   03:41:29   (  79.53,  21.68) 01/23/2020   03:40:52  (  79.52,  21.59)    1.75                37
 01/23/2020   04:30:49   ( -79.80,-168.70) 01/23/2020   04:31:29  ( -79.80,-168.67)    0.58                40
 01/25/2020   19:57:55   (  79.65, 138.45) 01/25/2020   19:57:41  (  79.65, 138.44)    0.39                14