Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 9 24.  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)
 09/25/2019   02:52:00   (  79.14,  31.45) 09/25/2019   02:51:21  (  79.14,  31.35)    2.10                39
 09/25/2019   03:41:19   ( -79.46,-158.84) 09/25/2019   03:41:57  ( -79.46,-158.82)    0.39                38
 09/27/2019   19:08:27   (  79.24, 147.95) 09/27/2019   19:08:13  (  79.24, 147.89)    1.46                14
 09/27/2019   19:57:46   ( -79.56, -42.28) 09/27/2019   19:58:49  ( -79.56, -42.24)    0.83                63
 09/30/2019   10:35:33   ( -79.11,  95.38) 09/30/2019   10:34:26  ( -79.12,  95.50)    2.76                67
 09/30/2019   11:24:53   (  79.34, -95.55) 09/30/2019   11:25:04  (  79.34, -95.57)    0.40                11
 10/03/2019   02:52:02   ( -79.13,-148.64) 10/03/2019   02:51:21  ( -79.12,-148.75)    2.37                41
 10/03/2019   03:41:19   (  79.47,  21.19) 10/03/2019   03:41:55  (  79.47,  21.24)    1.25                36
 10/05/2019   19:08:28   ( -79.26, -31.95) 10/05/2019   19:08:12  ( -79.26, -31.98)    0.69                16