Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 1 16.  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   19:08:15   ( -79.61, -29.42) 01/16/2017   19:08:04  ( -79.61, -29.40)    0.43                11
 01/16/2017   19:57:36   (  79.80, 139.60) 01/16/2017   19:58:43  (  79.79, 139.52)    1.77                67
 01/19/2017   10:35:22   (  79.42, -82.54) 01/19/2017   10:34:19  (  79.41, -82.62)    1.73                63
 01/19/2017   11:24:42   ( -79.68,  86.98) 01/19/2017   11:24:56  ( -79.68,  86.94)    0.76                14
 01/22/2017   02:51:48   (  79.48,  33.80) 01/22/2017   02:51:10  (  79.48,  33.69)    2.27                38
 01/22/2017   03:41:08   ( -79.75,-156.65) 01/22/2017   03:41:47  ( -79.74,-156.72)    1.46                39
 01/24/2017   19:08:14   (  79.58, 150.38) 01/24/2017   19:08:01  (  79.57, 150.27)    2.37                13
 01/24/2017   19:57:35   ( -79.81, -40.30) 01/24/2017   19:58:39  ( -79.80, -40.38)    1.69                64
 01/27/2017   10:35:21   ( -79.42,  97.50) 01/27/2017   10:34:15  ( -79.42,  97.47)    0.59                66
 01/27/2017   11:24:40   (  79.67, -93.06) 01/27/2017   11:24:52  (  79.67, -93.15)    2.03                12
 01/30/2017   02:51:46   ( -79.55,-145.71) 01/30/2017   02:51:05  ( -79.55,-145.70)    0.21                41