Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 14.  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)
 01/16/2017   19:08:14   ( -79.63, -29.30) 01/16/2017   19:08:03  ( -79.63, -29.27)    0.56                11
 01/16/2017   19:57:35   (  79.81, 139.72) 01/16/2017   19:58:42  (  79.81, 139.64)    1.62                67
 01/19/2017   10:35:21   (  79.43, -82.44) 01/19/2017   10:34:18  (  79.42, -82.49)    1.33                63
 01/19/2017   11:24:41   ( -79.70,  87.09) 01/19/2017   11:24:55  ( -79.69,  87.08)    0.44                14
 01/22/2017   02:51:48   (  79.49,  33.89) 01/22/2017   02:51:10  (  79.49,  33.82)    1.45                38
 01/22/2017   03:41:08   ( -79.76,-156.54) 01/22/2017   03:41:47  ( -79.76,-156.57)    0.67                39
 01/24/2017   19:08:14   (  79.59, 150.46) 01/24/2017   19:08:01  (  79.59, 150.41)    1.01                13
 01/24/2017   19:57:35   ( -79.82, -40.21) 01/24/2017   19:58:39  ( -79.82, -40.23)    0.37                64
 01/27/2017   10:35:19   ( -79.47,  97.83) 01/27/2017   10:34:13  ( -79.47,  97.89)    1.46                66