Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 1 19.  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)
 01/20/2020   11:25:03   (  79.43, -94.87) 01/20/2020   11:24:03  (  79.42, -95.02)    3.12                60
 01/20/2020   12:14:22   ( -79.73,  74.95) 01/20/2020   12:14:39  ( -79.73,  74.92)    0.65                17
 01/23/2020   03:41:29   (  79.53,  21.67) 01/23/2020   03:40:52  (  79.52,  21.55)    2.50                37
 01/23/2020   04:30:49   ( -79.79,-168.73) 01/23/2020   04:31:29  ( -79.79,-168.74)    0.13                40
 01/25/2020   19:57:56   (  79.62, 138.20) 01/25/2020   19:57:42  (  79.61, 138.13)    1.44                14
 01/25/2020   20:47:16   ( -79.88, -52.16) 01/25/2020   20:48:19  ( -79.88, -52.12)    0.83                63
 01/28/2020   11:25:05   ( -79.41,  85.02) 01/28/2020   11:23:57  ( -79.40,  84.88)    3.06                68
 01/28/2020   12:14:23   (  79.70,-105.29) 01/28/2020   12:14:32  (  79.70,-105.29)    0.28                 9
 01/31/2020   03:41:31   ( -79.54,-158.24) 01/31/2020   03:40:46  ( -79.53,-158.31)    1.34                45
 01/31/2020   04:30:49   (  79.82,  11.48) 01/31/2020   04:31:21  (  79.82,  11.58)    2.02                32