Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 11.  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)
 01/11/2017   10:35:24   ( -79.37,  97.14) 01/11/2017   10:34:24  ( -79.37,  97.03)    2.33                60
 01/11/2017   11:24:41   (  79.71, -92.82) 01/11/2017   11:24:58  (  79.71, -92.75)    1.40                17
 01/14/2017   02:51:47   ( -79.56,-145.64) 01/14/2017   02:51:11  ( -79.57,-145.55)    1.97                36
 01/14/2017   03:41:08   (  79.75,  23.35) 01/14/2017   03:41:50  (  79.75,  23.33)    0.36                42
 01/16/2017   19:08:15   ( -79.60, -29.50) 01/16/2017   19:08:04  ( -79.60, -29.48)    0.66                11
 01/16/2017   19:57:35   (  79.82, 139.77) 01/16/2017   19:58:42  (  79.81, 139.70)    1.44                67
 01/19/2017   10:35:21   (  79.44, -82.41) 01/19/2017   10:34:18  (  79.43, -82.45)    0.95                63
 01/19/2017   11:24:42   ( -79.67,  86.88) 01/19/2017   11:24:56  ( -79.67,  86.87)    0.28                14
 01/22/2017   02:51:48   (  79.50,  33.91) 01/22/2017   02:51:10  (  79.50,  33.87)    0.81                38
 01/22/2017   03:41:08   ( -79.77,-156.51) 01/22/2017   03:41:47  ( -79.76,-156.51)    0.09                39
 01/24/2017   19:08:12   (  79.63, 150.73) 01/24/2017   19:07:59  (  79.63, 150.73)    0.22                13