Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 2 1.  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)
 02/01/2015   23:35:26   (  78.13,  75.50) 02/01/2015   23:34:57  (  78.14,  75.55)    1.31                29
 02/02/2015   00:24:40   ( -78.70,-113.99) 02/02/2015   00:25:28  ( -78.70,-113.93)    1.38                48
 02/04/2015   15:51:55   (  78.33,-167.70) 02/04/2015   15:51:40  (  78.33,-167.60)    2.44                15
 02/04/2015   16:41:10   ( -78.84,   2.68) 02/04/2015   16:42:12  ( -78.85,   2.80)    2.67                62
 02/07/2015   07:22:37   ( -67.38, 115.72) 02/07/2015   07:21:24  ( -67.61, 114.20)   69.47                73
 02/07/2015   08:08:31   (  78.29, -52.01) 02/07/2015   08:08:30  (  78.29, -52.08)    1.64                 1
 02/07/2015   08:56:34   ( -81.17, 139.84) 02/07/2015   08:57:48  ( -80.92, 140.41)   29.97                74
 02/09/2015   23:35:50   ( -77.91,-105.61) 02/09/2015   23:34:44  ( -77.91,-105.59)    0.52                66
 02/10/2015   00:25:02   (  78.51,  64.93) 02/10/2015   00:25:13  (  78.51,  64.98)    1.33                11
 02/12/2015   15:52:26   ( -77.95,  10.41) 02/12/2015   15:51:32  ( -77.94,  10.34)    1.58                54
 02/12/2015   16:41:38   (  78.54,-179.05) 02/12/2015   16:42:01  (  78.54,-179.09)    0.97                23
 02/15/2015   08:09:01   ( -78.01, 126.58) 02/15/2015   08:08:18  ( -78.01, 126.46)    2.78                43