Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 9 26.  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)
 09/26/2018   19:13:35   ( -68.41,  70.27) 09/26/2018   19:14:29  ( -68.43,  70.25)    2.70                54
 09/26/2018   20:04:19   (  68.28,-122.25) 09/26/2018   20:03:57  (  68.26,-122.31)    3.37                22
 09/26/2018   20:54:47   ( -67.45,  46.10) 09/26/2018   20:53:38  ( -67.54,  44.49)   69.60                69
 09/29/2018   10:40:05   (  69.38,  17.40) 09/29/2018   10:41:12  (  69.29,  19.58)   86.27                67
 09/29/2018   11:30:30   ( -68.39,-173.93) 09/29/2018   11:30:56  ( -68.41,-173.90)    2.54                26
 09/29/2018   12:21:14   (  68.26,  -6.46) 09/29/2018   12:20:24  (  68.24,  -6.46)    3.02                50
 10/02/2018   02:56:44   (  68.46, 134.43) 10/02/2018   02:57:54  (  68.48, 134.44)    3.08                70
 10/02/2018   03:47:25   ( -68.32, -58.07) 10/02/2018   03:47:25  ( -68.33, -58.12)    2.37                 0
 10/02/2018   04:38:06   (  68.03, 109.61) 10/02/2018   04:36:54  (  68.10, 109.25)   16.35                72
 10/04/2018   19:13:40   (  68.44,-109.78) 10/04/2018   19:14:22  (  68.45,-109.72)    2.80                42
 10/04/2018   20:04:21   ( -68.30,  57.73) 10/04/2018   20:03:53  ( -68.30,  57.73)    0.27                28
 10/07/2018   10:40:04   ( -69.19,-162.32) 10/07/2018   10:41:13  ( -69.10,-160.67)   66.10                69
 10/07/2018   11:30:35   (  68.37,   6.08) 10/07/2018   11:30:51  (  68.36,   6.06)    1.60                16
 10/07/2018   12:21:17   ( -68.28, 173.52) 10/07/2018   12:20:21  ( -68.26, 173.57)    3.20                56
 10/10/2018   02:56:46   ( -68.48, -45.59) 10/10/2018   02:57:51  ( -68.45, -45.60)    3.51                65
 10/10/2018   03:47:29   (  68.31, 121.94) 10/10/2018   03:47:18  (  68.32, 121.90)    2.62                11
 10/10/2018   04:38:05   ( -67.89, -70.22) 10/10/2018   04:36:53  ( -67.95, -70.91)   29.66                72