Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 9 24.  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   19:13:36   ( -68.46,  70.21) 09/26/2018   19:14:29  ( -68.44,  70.26)    3.16                53
 09/26/2018   20:04:19   (  68.28,-122.25) 09/26/2018   20:03:57  (  68.26,-122.30)    2.70                22
 09/26/2018   20:54:47   ( -67.49,  46.04) 09/26/2018   20:53:37  ( -67.55,  44.50)   65.93                70
 09/29/2018   10:40:05   (  69.38,  17.40) 09/29/2018   10:41:12  (  69.29,  19.59)   86.51                67
 09/29/2018   11:30:30   ( -68.38,-173.92) 09/29/2018   11:30:57  ( -68.36,-173.95)    3.20                27
 09/29/2018   12:21:14   (  68.26,  -6.46) 09/29/2018   12:20:24  (  68.24,  -6.45)    2.38                50
 10/02/2018   02:56:44   (  68.45, 134.44) 10/02/2018   02:57:55  (  68.43, 134.38)    3.39                71
 10/02/2018   03:47:25   ( -68.31, -58.06) 10/02/2018   03:47:25  ( -68.33, -58.10)    2.68                 0
 10/02/2018   04:38:07   (  68.08, 109.54) 10/02/2018   04:36:54  (  68.10, 109.26)   11.59                73
 10/04/2018   19:13:39   (  68.39,-109.70) 10/04/2018   19:14:23  (  68.40,-109.77)    3.07                44
 10/04/2018   20:04:21   ( -68.30,  57.73) 10/04/2018   20:03:53  ( -68.30,  57.74)    0.74                28
 10/07/2018   10:40:04   ( -69.19,-162.32) 10/07/2018   10:41:13  ( -69.10,-160.66)   66.43                69
 10/07/2018   11:30:35   (  68.37,   6.08) 10/07/2018   11:30:51  (  68.36,   6.07)    1.47                16
 10/07/2018   12:21:17   ( -68.28, 173.52) 10/07/2018   12:20:21  ( -68.27, 173.59)    3.32                56