Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 10 15.  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)
 10/15/2017   19:08:16   ( -79.65, -29.26) 10/15/2017   19:08:14  ( -79.65, -29.18)    1.61                 2
 10/15/2017   19:55:53   (  81.83, 178.40) 10/15/2017   19:57:06  (  81.29, 178.34)   60.15                73
 10/18/2017   10:35:23   (  79.45, -82.43) 10/18/2017   10:34:30  (  79.46, -82.38)    1.18                53
 10/18/2017   11:24:44   ( -79.69,  86.93) 10/18/2017   11:25:08  ( -79.69,  86.95)    0.48                24
 10/21/2017   02:51:49   (  79.56,  34.21) 10/21/2017   02:51:22  (  79.56,  34.26)    1.08                27
 10/21/2017   03:41:11   ( -79.76,-156.66) 10/21/2017   03:42:01  ( -79.76,-156.65)    0.24                50
 10/23/2017   19:08:15   (  79.66, 150.82) 10/23/2017   19:08:14  (  79.66, 150.90)    1.75                 1
 10/23/2017   19:56:11   ( -81.79,  -9.01) 10/23/2017   19:57:25  ( -81.34,  -8.88)   49.96                74
 10/26/2017   10:35:21   ( -79.51,  98.02) 10/26/2017   10:34:28  ( -79.52,  98.14)    2.62                53
 10/26/2017   11:24:40   (  79.75, -92.61) 10/26/2017   11:25:05  (  79.76, -92.46)    3.18                25
 10/29/2017   02:51:49   ( -79.53,-145.99) 10/29/2017   02:51:23  ( -79.52,-146.07)    1.73                26