Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 31.  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)
 02/02/2019   11:24:58   (  79.70, -92.91) 02/02/2019   11:24:43  (  79.70, -92.79)    2.45                15
 02/02/2019   12:14:22   ( -79.82,  75.63) 02/02/2019   12:15:25  ( -79.81,  75.48)    3.04                63
 02/05/2019   02:52:07   ( -79.50,-146.08) 02/05/2019   02:50:59  ( -79.50,-146.08)    0.25                68
 02/05/2019   03:41:27   (  79.71,  23.09) 02/05/2019   03:41:37  (  79.71,  23.02)    1.58                10
 02/07/2019   19:08:34   ( -79.59, -29.56) 02/07/2019   19:07:50  ( -79.60, -29.45)    2.44                44
 02/07/2019   19:57:54   (  79.80, 139.62) 02/07/2019   19:58:28  (  79.81, 139.68)    1.22                34
 02/10/2019   11:25:01   ( -79.64,  86.68) 02/10/2019   11:24:42  ( -79.64,  86.63)    1.18                19
 02/10/2019   12:14:21   (  79.85,-104.14) 02/10/2019   12:15:20  (  79.84,-104.24)    2.13                59
 02/13/2019   02:52:06   (  79.52,  34.05) 02/13/2019   02:50:54  (  79.53,  34.15)    2.23                72