Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 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)
 01/12/2019   02:52:00   (  79.55,  34.19) 01/12/2019   02:51:05  (  79.55,  34.30)    2.37                55
 01/12/2019   03:41:22   ( -79.73,-156.81) 01/12/2019   03:41:45  ( -79.73,-156.84)    0.55                23
 01/14/2019   19:08:28   (  79.59, 150.41) 01/14/2019   19:07:58  (  79.60, 150.46)    1.18                30
 01/14/2019   19:57:50   ( -79.78, -40.56) 01/14/2019   19:58:38  ( -79.77, -40.66)    2.05                48
 01/17/2019   11:24:55   (  79.67, -93.12) 01/17/2019   11:24:50  (  79.67, -93.10)    0.35                 5
 01/17/2019   12:14:18   ( -79.82,  75.67) 01/17/2019   12:15:31  ( -79.82,  75.51)    3.21                73
 01/20/2019   02:52:05   ( -79.42,-146.66) 01/20/2019   02:51:08  ( -79.41,-146.81)    3.17                57
 01/20/2019   03:41:22   (  79.75,  23.33) 01/20/2019   03:41:42  (  79.75,  23.32)    0.32                20
 01/22/2019   19:08:28   ( -79.61, -29.45) 01/22/2019   19:07:55  ( -79.62, -29.33)    2.67                33
 01/22/2019   19:57:49   (  79.78, 139.48) 01/22/2019   19:58:34  (  79.79, 139.46)    0.43                45
 01/25/2019   11:24:54   ( -79.72,  87.23) 01/25/2019   11:24:46  ( -79.72,  87.36)    2.47                 8