Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 5 29.  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)
 05/30/2018   11:25:30   ( -79.31,  84.22) 05/30/2018   11:24:38  ( -79.30,  84.13)    2.15                52
 05/30/2018   12:14:48   (  79.61,-106.08) 05/30/2018   12:15:13  (  79.62,-105.97)    2.38                25
 06/02/2018   03:41:55   ( -79.38,-159.44) 06/02/2018   03:41:30  ( -79.38,-159.53)    2.09                25
 06/02/2018   04:31:12   (  79.71,  10.53) 06/02/2018   04:32:04  (  79.72,  10.68)    2.99                52
 06/04/2018   19:10:02   (  76.45, 135.17) 06/04/2018   19:08:49  (  76.62, 134.04)   34.43                73
 06/04/2018   19:58:20   ( -79.48, -42.86) 06/04/2018   19:58:22  ( -79.48, -42.93)    1.46                 2
 06/07/2018   11:25:24   (  79.33, -95.62) 06/07/2018   11:24:36  (  79.33, -95.62)    0.17                48
 06/07/2018   12:14:45   ( -79.58,  73.70) 06/07/2018   12:15:14  ( -79.58,  73.68)    0.26                29
 06/10/2018   03:41:48   (  79.46,  21.13) 06/10/2018   03:41:27  (  79.47,  21.22)    1.91                21
 06/10/2018   04:31:10   ( -79.67,-169.77) 06/10/2018   04:32:06  ( -79.68,-169.70)    1.54                56
 06/12/2018   19:08:55   ( -79.22, -32.20) 06/12/2018   19:07:44  ( -79.22, -32.29)    1.95                71