Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 6 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)
 06/15/2020   03:41:34   (  79.38,  20.58) 06/15/2020   03:41:09  (  79.37,  20.44)    3.09                25
 06/15/2020   04:30:54   ( -79.65,-169.89) 06/15/2020   04:31:46  ( -79.64,-169.96)    1.50                52
 06/17/2020   19:58:01   (  79.45, 136.98) 06/17/2020   19:58:01  (  79.45, 136.84)    3.02                 0
 06/17/2020   20:45:21   ( -81.78,  -8.54) 06/17/2020   20:46:34  ( -81.13,  -8.96)   72.00                73
 06/20/2020   11:25:07   ( -79.35,  84.50) 06/20/2020   11:24:14  ( -79.34,  84.48)    0.37                53
 06/20/2020   12:14:27   (  79.56,-106.37) 06/20/2020   12:14:52  (  79.55,-106.49)    2.61                25
 06/23/2020   03:41:34   ( -79.42,-159.14) 06/23/2020   03:41:06  ( -79.42,-159.13)    0.28                28
 06/23/2020   04:30:54   (  79.63,  10.00) 06/23/2020   04:31:44  (  79.63,   9.91)    1.88                50
 06/25/2020   19:57:59   ( -79.52, -42.53) 06/25/2020   19:57:56  ( -79.53, -42.48)    1.12                 3