Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 17.  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)
 01/17/2019   11:24:55   (  79.67, -93.12) 01/17/2019   11:24:50  (  79.67, -93.12)    0.24                 5
 01/17/2019   12:14:15   ( -79.93,  76.48) 01/17/2019   12:15:27  ( -79.93,  76.64)    3.00                72
 01/20/2019   02:52:02   ( -79.53,-145.89) 01/20/2019   02:51:04  ( -79.54,-145.76)    2.84                58
 01/20/2019   03:41:23   (  79.71,  23.07) 01/20/2019   03:41:43  (  79.71,  23.03)    0.70                20
 01/22/2019   19:08:29   ( -79.61, -29.45) 01/22/2019   19:07:56  ( -79.62, -29.35)    2.14                33
 01/22/2019   19:57:50   (  79.79, 139.51) 01/22/2019   19:58:35  (  79.79, 139.46)    0.95                45
 01/25/2019   11:24:55   ( -79.68,  86.98) 01/25/2019   11:24:47  ( -79.69,  87.06)    1.81                 8
 01/25/2019   12:14:16   (  79.86,-104.07) 01/25/2019   12:15:26  (  79.86,-104.11)    0.85                70
 01/28/2019   02:52:01   (  79.52,  34.03) 01/28/2019   02:51:01  (  79.52,  34.05)    0.42                60
 01/28/2019   03:41:22   ( -79.76,-156.61) 01/28/2019   03:41:39  ( -79.76,-156.53)    1.86                17
 01/30/2019   19:08:27   (  79.62, 150.65) 01/30/2019   19:07:52  (  79.62, 150.71)    1.12                35