Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 27.  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)
 03/27/2019   19:58:25   (  79.62, 138.11) 03/27/2019   19:58:06  (  79.62, 138.22)    2.24                19
 03/27/2019   20:47:48   ( -79.77, -53.15) 03/27/2019   20:48:47  ( -79.76, -53.25)    1.97                59
 03/30/2019   11:25:35   ( -79.42,  85.00) 03/30/2019   11:24:21  ( -79.42,  85.02)    0.31                74
 03/30/2019   12:14:54   (  79.69,-105.50) 03/30/2019   12:14:57  (  79.70,-105.37)    2.89                 3
 04/02/2019   03:42:03   ( -79.50,-158.64) 04/02/2019   03:41:11  ( -79.50,-158.58)    1.35                52
 04/02/2019   04:31:24   (  79.68,  10.33) 04/02/2019   04:31:50  (  79.67,  10.20)    2.65                26
 04/04/2019   19:58:31   ( -79.60, -42.03) 04/04/2019   19:58:01  ( -79.61, -41.91)    2.65                30
 04/04/2019   20:47:53   (  79.74, 126.68) 04/04/2019   20:48:41  (  79.74, 126.60)    1.51                48
 04/07/2019   12:15:02   ( -79.59,  73.77) 04/07/2019   12:14:55  ( -79.58,  73.66)    2.18                 7
 04/07/2019   13:04:21   (  79.84,-116.71) 04/07/2019   13:05:31  (  79.84,-116.71)    0.13                70
 04/10/2019   03:42:08   (  79.49,  21.30) 04/10/2019   03:41:05  (  79.50,  21.43)    2.84                63