Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 4.  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)
 01/04/2019   03:41:21   (  79.74,  23.23) 01/04/2019   03:41:47  (  79.74,  23.27)    0.75                26
 01/06/2019   19:08:29   ( -79.54, -30.00) 01/06/2019   19:08:03  ( -79.53, -30.14)    3.12                26
 01/06/2019   19:57:48   (  79.80, 139.55) 01/06/2019   19:58:39  (  79.79, 139.48)    1.64                51
 01/09/2019   11:24:55   ( -79.67,  86.84) 01/09/2019   11:24:53  ( -79.67,  86.88)    0.85                 2
 01/09/2019   12:13:07   (  81.62, -80.12) 01/09/2019   12:14:20  (  81.26, -79.45)   41.39                73
 01/12/2019   02:52:01   (  79.53,  34.09) 01/12/2019   02:51:06  (  79.54,  34.18)    1.70                55
 01/12/2019   03:41:23   ( -79.73,-156.87) 01/12/2019   03:41:46  ( -79.72,-156.93)    1.36                23
 01/14/2019   19:08:29   (  79.58, 150.34) 01/14/2019   19:07:59  (  79.58, 150.34)    0.07                30
 01/14/2019   19:57:49   ( -79.85, -40.03) 01/14/2019   19:58:36  ( -79.86, -39.88)    3.10                47
 01/17/2019   11:24:56   (  79.63, -93.43) 01/17/2019   11:24:51  (  79.63, -93.50)    1.46                 5