Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 5 19.  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)
 05/20/2019   03:41:34   ( -79.47,-158.83) 05/20/2019   03:41:30  ( -79.47,-158.87)    1.03                 4
 05/20/2019   04:30:53   (  79.73,  10.67) 05/20/2019   04:32:06  (  79.74,  10.75)    1.66                73
 05/22/2019   19:08:41   (  79.23, 147.85) 05/22/2019   19:07:48  (  79.23, 147.73)    2.64                53
 05/22/2019   19:58:00   ( -79.55, -42.41) 05/22/2019   19:58:24  ( -79.55, -42.40)    0.47                24
 05/25/2019   11:25:05   (  79.39, -95.28) 05/25/2019   11:24:40  (  79.38, -95.31)    0.56                25
 05/25/2019   12:14:25   ( -79.66,  74.26) 05/25/2019   12:15:17  ( -79.67,  74.36)    2.27                52
 05/28/2019   02:52:21   ( -78.83,-150.44) 05/28/2019   02:51:07  ( -78.87,-150.58)    5.04                74
 05/28/2019   03:41:29   (  79.53,  21.59) 05/28/2019   03:41:32  (  79.53,  21.68)    1.96                 3
 05/30/2019   19:08:35   ( -79.34, -31.45) 05/30/2019   19:07:49  ( -79.35, -31.40)    1.10                46
 05/30/2019   19:57:55   (  79.56, 137.66) 05/30/2019   19:58:27  (  79.55, 137.59)    1.56                32