Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 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)
 01/22/2017   02:51:48   (  79.48,  33.81) 01/22/2017   02:51:10  (  79.48,  33.73)    1.70                38
 01/22/2017   03:41:08   ( -79.74,-156.65) 01/22/2017   03:41:47  ( -79.74,-156.70)    0.84                39
 01/24/2017   19:08:14   (  79.58, 150.36) 01/24/2017   19:08:01  (  79.58, 150.30)    1.22                13
 01/24/2017   19:57:34   ( -79.84, -40.06) 01/24/2017   19:58:38  ( -79.83, -40.08)    0.53                64
 01/27/2017   10:35:19   ( -79.48,  97.94) 01/27/2017   10:34:13  ( -79.49,  98.01)    1.38                66
 01/27/2017   11:24:39   (  79.70, -92.85) 01/27/2017   11:24:51  (  79.70, -92.85)    0.15                12
 01/30/2017   02:51:43   ( -79.60,-145.31) 01/30/2017   02:51:02  ( -79.61,-145.16)    2.92                41
 01/30/2017   03:41:04   (  79.78,  23.64) 01/30/2017   03:41:41  (  79.79,  23.72)    1.68                37
 02/01/2017   19:08:11   ( -79.61, -29.39) 02/01/2017   19:07:56  ( -79.60, -29.44)    1.27                15