Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 1 17.  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)
 01/17/2020   19:57:55   ( -79.65, -41.54) 01/17/2020   19:57:49  ( -79.65, -41.57)    0.64                 6
 01/17/2020   20:47:14   (  79.90, 128.02) 01/17/2020   20:48:25  (  79.91, 128.12)    1.96                71
 01/20/2020   11:25:02   (  79.44, -94.77) 01/20/2020   11:24:02  (  79.43, -94.91)    3.11                60
 01/20/2020   12:14:22   ( -79.71,  74.80) 01/20/2020   12:14:39  ( -79.71,  74.77)    0.65                17
 01/23/2020   03:41:29   (  79.54,  21.78) 01/23/2020   03:40:52  (  79.53,  21.66)    2.64                37
 01/23/2020   04:30:49   ( -79.81,-168.61) 01/23/2020   04:31:29  ( -79.80,-168.62)    0.41                40
 01/25/2020   19:57:56   (  79.63, 138.31) 01/25/2020   19:57:42  (  79.62, 138.23)    1.83                14
 01/25/2020   20:47:17   ( -79.86, -52.31) 01/25/2020   20:48:20  ( -79.86, -52.29)    0.41                63
 01/28/2020   11:25:02   ( -79.54,  85.92) 01/28/2020   11:23:53  ( -79.55,  86.05)    2.60                69
 01/28/2020   12:14:23   (  79.72,-105.18) 01/28/2020   12:14:32  (  79.71,-105.20)    0.67                 9
 01/31/2020   03:41:31   ( -79.52,-158.38) 01/31/2020   03:40:46  ( -79.51,-158.50)    2.48                45