Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 5 13.  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)
 05/14/2019   19:08:45   ( -79.21, -32.32) 05/14/2019   19:07:45  ( -79.20, -32.45)    2.95                60
 05/14/2019   19:58:03   (  79.52, 137.35) 05/14/2019   19:58:20  (  79.52, 137.32)    0.67                17
 05/17/2019   11:25:10   ( -79.34,  84.38) 05/17/2019   11:24:38  ( -79.33,  84.27)    2.46                32
 05/17/2019   12:14:28   (  79.64,-105.92) 05/17/2019   12:15:13  (  79.64,-105.91)    0.24                45
 05/20/2019   03:41:35   ( -79.46,-158.92) 05/20/2019   03:41:31  ( -79.45,-158.99)    1.56                 4
 05/20/2019   04:30:54   (  79.71,  10.53) 05/20/2019   04:32:07  (  79.72,  10.60)    1.42                73
 05/22/2019   19:08:41   (  79.26, 147.97) 05/22/2019   19:07:48  (  79.24, 147.84)    2.98                53
 05/22/2019   19:58:01   ( -79.54, -42.50) 05/22/2019   19:58:25  ( -79.54, -42.52)    0.30                24
 05/25/2019   11:25:05   (  79.37, -95.41) 05/25/2019   11:24:40  (  79.37, -95.46)    0.98                25