Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 2 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)
 02/18/2016   10:36:02   (  79.33, -83.19) 02/18/2016   10:35:20  (  79.34, -83.14)    1.25                42
 02/18/2016   11:25:21   ( -79.64,  86.59) 02/18/2016   11:25:56  ( -79.65,  86.70)    2.37                35
 02/21/2016   02:52:27   (  79.46,  33.51) 02/21/2016   02:52:08  (  79.46,  33.63)    2.42                19
 02/21/2016   03:41:50   ( -79.61,-157.73) 02/21/2016   03:42:49  ( -79.61,-157.85)    2.56                59
 02/23/2016   18:19:33   ( -79.30, -19.29) 02/23/2016   18:18:20  ( -79.30, -19.15)    3.11                73
 02/23/2016   19:08:53   (  79.52, 149.83) 02/23/2016   19:08:58  (  79.52, 149.83)    0.19                 5
 02/26/2016   10:36:01   ( -79.26,  96.38) 02/26/2016   10:35:13  ( -79.26,  96.26)    2.61                48
 02/26/2016   11:25:18   (  79.59, -93.73) 02/26/2016   11:25:47  (  79.60, -93.71)    0.57                29
 02/29/2016   02:52:22   ( -79.44,-146.56) 02/29/2016   02:51:58  ( -79.44,-146.53)    0.83                24
 02/29/2016   03:41:42   (  79.65,  22.57) 02/29/2016   03:42:36  (  79.64,  22.45)    2.50                54
 03/02/2016   18:21:16   (  74.10, 141.08) 03/02/2016   18:20:03  (  74.34, 139.54)   53.81                73