Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 7.  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)
 01/09/2019   11:24:55   ( -79.66,  86.80) 01/09/2019   11:24:53  ( -79.67,  86.85)    1.24                 2
 01/09/2019   12:13:04   (  81.65, -78.92) 01/09/2019   12:14:17  (  81.28, -78.29)   43.10                73
 01/12/2019   02:52:01   (  79.53,  34.05) 01/12/2019   02:51:06  (  79.53,  34.16)    2.38                55
 01/12/2019   03:41:23   ( -79.72,-156.93) 01/12/2019   03:41:46  ( -79.72,-156.96)    0.62                23
 01/14/2019   19:08:28   (  79.61, 150.54) 01/14/2019   19:07:58  (  79.61, 150.59)    1.19                30
 01/14/2019   19:57:51   ( -79.76, -40.68) 01/14/2019   19:58:39  ( -79.76, -40.79)    2.10                48
 01/17/2019   11:24:55   (  79.65, -93.27) 01/17/2019   11:24:50  (  79.66, -93.25)    0.41                 5
 01/17/2019   12:14:15   ( -79.92,  76.38) 01/17/2019   12:15:27  ( -79.92,  76.54)    3.21                72
 01/20/2019   02:52:04   ( -79.44,-146.53) 01/20/2019   02:51:07  ( -79.43,-146.67)    3.10                57