Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 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)
 06/15/2019   19:08:34   ( -79.29, -31.77) 06/15/2019   19:07:57  ( -79.29, -31.83)    1.23                37
 06/15/2019   19:57:54   (  79.51, 137.36) 06/15/2019   19:58:35  (  79.51, 137.23)    2.89                41
 06/18/2019   11:24:58   ( -79.46,  85.23) 06/18/2019   11:24:48  ( -79.47,  85.33)    2.09                10
 06/18/2019   12:14:18   (  79.68,-105.60) 06/18/2019   12:15:26  (  79.68,-105.56)    0.82                68
 06/21/2019   02:52:05   (  79.22,  31.92) 06/21/2019   02:51:06  (  79.22,  31.88)    0.98                59
 06/21/2019   03:41:25   ( -79.51,-158.55) 06/21/2019   03:41:43  ( -79.51,-158.57)    0.55                18
 06/23/2019   19:08:32   (  79.27, 148.09) 06/23/2019   19:08:01  (  79.26, 147.95)    2.91                31
 06/23/2019   19:57:52   ( -79.56, -42.35) 06/23/2019   19:58:38  ( -79.55, -42.47)    2.57                46
 06/26/2019   11:24:54   (  79.46, -94.74) 06/26/2019   11:24:50  (  79.47, -94.64)    2.03                 4