Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 4 23.  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)
 04/25/2018   19:58:34   (  79.46, 136.92) 04/25/2018   19:58:20  (  79.45, 136.80)    2.61                14
 04/25/2018   20:47:53   ( -79.75, -53.33) 04/25/2018   20:48:56  ( -79.76, -53.21)    2.54                63
 04/28/2018   11:25:38   ( -79.37,  84.55) 04/28/2018   11:24:34  ( -79.37,  84.58)    0.63                64
 04/28/2018   12:14:57   (  79.63,-105.96) 04/28/2018   12:15:10  (  79.64,-105.88)    1.59                13
 05/01/2018   03:42:04   ( -79.43,-159.15) 05/01/2018   03:41:28  ( -79.42,-159.20)    1.30                36
 05/01/2018   04:31:24   (  79.66,  10.08) 05/01/2018   04:32:05  (  79.66,  10.07)    0.22                41
 05/03/2018   19:58:30   ( -79.49, -42.88) 05/03/2018   19:58:22  ( -79.48, -43.00)    2.64                 8
 05/03/2018   20:47:50   (  79.71, 126.35) 05/03/2018   20:48:59  (  79.71, 126.29)    1.26                69
 05/06/2018   11:25:33   (  79.34, -95.61) 05/06/2018   11:24:35  (  79.33, -95.67)    1.43                58