Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 25.  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)
 01/28/2019   02:52:06   (  79.47,  33.72) 01/28/2019   02:51:03  (  79.47,  33.67)    1.12                63
 01/28/2019   03:41:26   ( -79.74,-156.71) 01/28/2019   03:41:40  ( -79.74,-156.68)    0.42                14
 01/30/2019   19:08:32   (  79.57, 150.28) 01/30/2019   19:07:53  (  79.58, 150.31)    0.75                39
 01/30/2019   19:57:52   ( -79.84, -40.09) 01/30/2019   19:58:30  ( -79.84, -39.99)    1.93                38
 02/02/2019   11:24:58   (  79.70, -92.90) 02/02/2019   11:24:43  (  79.71, -92.76)    2.93                15
 02/02/2019   12:14:22   ( -79.82,  75.67) 02/02/2019   12:15:25  ( -79.82,  75.54)    2.57                63
 02/05/2019   02:52:07   ( -79.51,-146.07) 02/05/2019   02:50:59  ( -79.51,-146.03)    0.69                68
 02/05/2019   03:41:27   (  79.71,  23.09) 02/05/2019   03:41:37  (  79.71,  23.04)    0.89                10
 02/07/2019   19:08:36   ( -79.52, -30.09) 02/07/2019   19:07:53  ( -79.51, -30.24)    3.07                43