Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 5 14.  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   ( -79.33,  84.34) 05/17/2019   11:24:38  ( -79.33,  84.25)    2.08                32
 05/17/2019   12:14:28   (  79.63,-105.95) 05/17/2019   12:15:13  (  79.63,-105.92)    0.44                45
 05/20/2019   03:41:35   ( -79.45,-158.98) 05/20/2019   03:41:31  ( -79.45,-159.02)    0.81                 4
 05/20/2019   04:30:53   (  79.74,  10.76) 05/20/2019   04:32:06  (  79.75,  10.86)    2.07                73
 05/22/2019   19:08:40   (  79.28, 148.16) 05/22/2019   19:07:47  (  79.28, 148.08)    1.85                53
 05/22/2019   19:58:00   ( -79.56, -42.32) 05/22/2019   19:58:24  ( -79.57, -42.28)    1.07                24
 05/25/2019   11:25:05   (  79.39, -95.25) 05/25/2019   11:24:40  (  79.40, -95.22)    0.87                25
 05/25/2019   12:14:26   ( -79.59,  73.78) 05/25/2019   12:15:19  ( -79.59,  73.65)    2.90                53
 05/28/2019   02:52:10   ( -79.24,-148.01) 05/28/2019   02:50:56  ( -79.24,-147.99)    0.57                74