Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 7 30.  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)
 07/31/2019   02:52:01   ( -79.19,-148.26) 07/31/2019   02:51:18  ( -79.19,-148.38)    2.59                43
 07/31/2019   03:41:18   (  79.54,  21.65) 07/31/2019   03:41:52  (  79.54,  21.71)    1.15                34
 08/02/2019   19:08:25   ( -79.34, -31.42) 08/02/2019   19:08:08  ( -79.35, -31.38)    0.93                17
 08/02/2019   19:57:45   (  79.57, 137.74) 08/02/2019   19:58:46  (  79.56, 137.66)    1.82                61
 08/05/2019   10:35:30   (  79.21, -84.06) 08/05/2019   10:34:22  (  79.21, -83.93)    2.69                68
 08/05/2019   11:24:53   ( -79.37,  84.66) 08/05/2019   11:25:03  ( -79.37,  84.58)    1.67                10
 08/08/2019   02:51:58   (  79.23,  31.99) 08/08/2019   02:51:17  (  79.23,  31.99)    0.21                41
 08/08/2019   03:41:17   ( -79.55,-158.24) 08/08/2019   03:41:53  ( -79.56,-158.12)    2.43                36
 08/10/2019   19:08:25   (  79.30, 148.27) 08/10/2019   19:08:11  (  79.29, 148.17)    2.07                14
 08/10/2019   19:57:45   ( -79.58, -42.19) 08/10/2019   19:58:48  ( -79.58, -42.17)    0.42                63
 08/13/2019   10:35:31   ( -79.13,  95.48) 08/13/2019   10:34:26  ( -79.13,  95.46)    0.58                65