Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 4 2.  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)
 04/04/2019   19:58:30   ( -79.62, -41.91) 04/04/2019   19:58:00  ( -79.62, -41.76)    3.12                30
 04/04/2019   20:47:52   (  79.76, 126.84) 04/04/2019   20:48:40  (  79.76, 126.78)    1.22                48
 04/07/2019   12:15:01   ( -79.61,  73.89) 04/07/2019   12:14:54  ( -79.60,  73.81)    1.64                 7
 04/07/2019   13:04:21   (  79.83,-116.83) 04/07/2019   13:05:31  (  79.83,-116.81)    0.39                70
 04/10/2019   03:42:10   (  79.40,  20.68) 04/10/2019   03:41:08  (  79.39,  20.54)    3.12                62
 04/10/2019   04:31:29   ( -79.70,-169.52) 04/10/2019   04:31:44  ( -79.70,-169.51)    0.27                15
 04/12/2019   19:58:38   (  79.49, 137.22) 04/12/2019   19:57:58  (  79.49, 137.16)    1.23                40
 04/12/2019   20:47:57   ( -79.80, -52.93) 04/12/2019   20:48:34  ( -79.80, -52.82)    2.28                37
 04/15/2019   12:15:04   (  79.62,-105.98) 04/15/2019   12:14:46  (  79.63,-105.94)    0.95                18