Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 9 21.  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)
 09/24/2018   02:56:46   ( -68.80, -46.01) 09/24/2018   02:57:57  ( -68.67, -45.33)   30.81                71
 09/24/2018   03:47:24   (  68.36, 121.88) 09/24/2018   03:47:28  (  68.34, 121.91)    1.75                 4
 09/24/2018   04:38:05   ( -68.21, -70.62) 09/24/2018   04:36:58  ( -68.23, -70.59)    2.36                67
 09/26/2018   19:13:36   ( -68.46,  70.21) 09/26/2018   19:14:29  ( -68.44,  70.26)    2.83                53
 09/26/2018   20:04:19   (  68.28,-122.25) 09/26/2018   20:03:57  (  68.27,-122.30)    2.21                22
 09/26/2018   20:54:48   ( -67.49,  46.04) 09/26/2018   20:53:38  ( -67.55,  44.50)   65.93                70
 09/29/2018   10:40:05   (  69.38,  17.40) 09/29/2018   10:41:12  (  69.31,  19.61)   87.00                67
 09/29/2018   11:30:30   ( -68.38,-173.92) 09/29/2018   11:30:57  ( -68.37,-173.94)    1.89                27
 09/29/2018   12:21:14   (  68.26,  -6.46) 09/29/2018   12:20:24  (  68.25,  -6.44)    1.50                50
 10/02/2018   02:56:44   (  68.46, 134.44) 10/02/2018   02:57:55  (  68.45, 134.41)    1.23                71
 10/02/2018   03:47:26   ( -68.36, -58.13) 10/02/2018   03:47:25  ( -68.35, -58.08)    2.38                 1
 10/02/2018   04:38:07   (  68.08, 109.54) 10/02/2018   04:36:54  (  68.12, 109.29)   11.20                73
 10/04/2018   19:13:40   (  68.44,-109.77) 10/04/2018   19:14:23  (  68.43,-109.74)    1.88                43
 10/04/2018   20:04:21   ( -68.29,  57.73) 10/04/2018   20:03:54  ( -68.28,  57.71)    2.08                27