Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 8 6.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/07/2018   03:46:57   (  68.37, 121.92) 08/07/2018   03:47:43  (  68.39, 121.94)    2.22                46
 08/07/2018   04:37:38   ( -68.23, -70.58) 08/07/2018   04:37:14  ( -68.22, -70.62)    1.74                24
 08/07/2018   05:28:04   (  67.13,  98.07) 08/07/2018   05:26:58  (  67.16,  95.81)   97.32                66
 08/09/2018   19:13:25   ( -69.29,  69.13) 08/09/2018   19:14:32  ( -69.17,  71.17)   81.24                67
 08/09/2018   20:03:53   (  68.32,-122.25) 08/09/2018   20:04:12  (  68.34,-122.23)    2.99                19
 08/09/2018   20:54:34   ( -68.17,  45.26) 08/09/2018   20:53:43  ( -68.18,  45.21)    2.21                51
 08/12/2018   11:30:04   ( -68.38,-173.87) 08/12/2018   11:31:13  ( -68.40,-173.92)    3.39                69
 08/12/2018   12:20:48   (  68.26,  -6.41) 08/12/2018   12:20:40  (  68.29,  -6.41)    2.90                 8
 08/12/2018   13:11:26   ( -67.95, 161.30) 08/12/2018   13:10:13  ( -68.02, 160.90)   18.15                73
 08/15/2018   03:47:01   ( -68.38, -58.10) 08/15/2018   03:47:41  ( -68.40, -58.04)    3.48                40
 08/15/2018   04:37:44   (  68.21, 109.42) 08/15/2018   04:37:09  (  68.23, 109.40)    2.08                35
 08/17/2018   19:13:24   (  68.91,-110.36) 08/17/2018   19:14:34  (  68.77,-109.33)   44.07                70
 08/17/2018   20:03:57   ( -68.32,  57.73) 08/17/2018   20:04:10  ( -68.33,  57.76)    1.53                13
 08/17/2018   20:54:40   (  68.16,-134.75) 08/17/2018   20:53:38  (  68.16,-134.80)    2.06                62