Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 2 23.  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)
 02/26/2018   03:42:02   ( -79.68,-157.05) 02/26/2018   03:41:01  ( -79.69,-156.91)    2.81                61
 02/26/2018   04:31:22   (  79.89,  12.19) 02/26/2018   04:31:39  (  79.90,  12.28)    1.82                17
 02/28/2018   19:58:30   ( -79.75, -40.68) 02/28/2018   19:57:52  ( -79.76, -40.58)    2.07                38
 02/28/2018   20:47:50   (  79.95, 128.56) 02/28/2018   20:48:30  (  79.95, 128.62)    1.09                40
 03/03/2018   12:14:58   ( -79.81,  75.66) 03/03/2018   12:14:43  ( -79.81,  75.75)    1.94                15
 03/03/2018   13:04:18   (  80.01,-115.10) 03/03/2018   13:05:21  (  80.01,-115.05)    0.89                63
 03/06/2018   03:42:03   (  79.66,  22.81) 03/06/2018   03:40:54  (  79.67,  22.91)    2.17                69
 03/06/2018   04:31:24   ( -79.90,-167.75) 03/06/2018   04:31:32  ( -79.90,-167.63)    2.39                 8
 03/08/2018   19:58:30   (  79.75, 139.33) 03/08/2018   19:57:44  (  79.76, 139.47)    2.95                46