Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 11.  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)
 10/12/2018   19:13:34   ( -68.46,  70.28) 10/12/2018   19:14:18  ( -68.43,  70.27)    3.37                44
 10/12/2018   20:04:18   (  68.33,-122.24) 10/12/2018   20:03:45  (  68.31,-122.22)    1.87                33
 10/15/2018   10:39:58   (  69.14,  17.82) 10/15/2018   10:41:07  (  69.00,  19.23)   58.28                69
 10/15/2018   11:30:28   ( -68.41,-173.90) 10/15/2018   11:30:46  ( -68.40,-173.88)    2.20                18
 10/15/2018   12:21:12   (  68.28,  -6.42) 10/15/2018   12:20:13  (  68.27,  -6.38)    1.87                59
 10/18/2018   02:56:39   (  68.45, 134.50) 10/18/2018   02:57:43  (  68.46, 134.45)    2.45                64
 10/18/2018   03:47:21   ( -68.37, -58.08) 10/18/2018   03:47:13  ( -68.37, -58.03)    1.89                 8
 10/18/2018   04:37:57   (  67.81, 109.94) 10/18/2018   04:36:46  (  67.91, 109.07)   37.95                71
 10/20/2018   19:13:33   (  68.41,-109.68) 10/20/2018   19:14:11  (  68.44,-109.70)    2.46                38
 10/20/2018   20:04:14   ( -68.28,  57.81) 10/20/2018   20:03:42  ( -68.29,  57.75)    2.44                32
 10/23/2018   10:39:54   ( -69.09,-162.13) 10/23/2018   10:41:04  ( -68.99,-160.78)   55.04                70
 10/23/2018   11:30:27   (  68.38,   6.13) 10/23/2018   11:30:40  (  68.36,   6.09)    3.00                13
 10/23/2018   12:21:08   ( -68.24, 173.62) 10/23/2018   12:20:10  ( -68.27, 173.61)    2.60                58