Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 5 15.  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)
 05/17/2019   11:25:10   ( -79.35,  84.47) 05/17/2019   11:24:38  ( -79.34,  84.37)    2.15                32
 05/17/2019   12:14:29   (  79.61,-106.07) 05/17/2019   12:15:14  (  79.62,-106.06)    0.31                45
 05/20/2019   03:41:34   ( -79.47,-158.84) 05/20/2019   03:41:30  ( -79.46,-158.89)    1.20                 4
 05/20/2019   04:30:53   (  79.73,  10.64) 05/20/2019   04:32:06  (  79.73,  10.71)    1.56                73
 05/22/2019   19:08:41   (  79.23, 147.81) 05/22/2019   19:07:48  (  79.22, 147.68)    2.74                53
 05/22/2019   19:58:00   ( -79.55, -42.43) 05/22/2019   19:58:24  ( -79.55, -42.42)    0.33                24
 05/25/2019   11:25:05   (  79.38, -95.34) 05/25/2019   11:24:40  (  79.38, -95.36)    0.62                25
 05/25/2019   12:14:25   ( -79.66,  74.23) 05/25/2019   12:15:17  ( -79.66,  74.33)    2.17                52
 05/28/2019   02:52:21   ( -78.83,-150.48) 05/28/2019   02:51:07  ( -78.86,-150.63)    5.12                74