Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 8 27.  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)
 08/28/2018   11:30:15   ( -68.40,-173.92) 08/28/2018   11:31:11  ( -68.42,-173.91)    2.29                56
 08/28/2018   12:20:59   (  68.28,  -6.46) 08/28/2018   12:20:39  (  68.25,  -6.46)    3.17                20
 08/28/2018   13:11:29   ( -67.54, 161.78) 08/28/2018   13:10:19  ( -67.58, 160.40)   59.10                70
 08/31/2018   02:56:47   (  69.47, 133.07) 08/31/2018   02:57:53  (  69.39, 135.57)   98.11                66
 08/31/2018   03:47:10   ( -68.35, -58.09) 08/31/2018   03:47:40  ( -68.34, -58.13)    1.94                30
 08/31/2018   04:37:54   (  68.24, 109.36) 08/31/2018   04:37:07  (  68.23, 109.39)    1.49                47
 09/02/2018   19:13:26   (  68.52,-109.86) 09/02/2018   19:14:38  (  68.48,-109.71)    7.34                72
 09/02/2018   20:04:06   ( -68.31,  57.73) 09/02/2018   20:04:09  ( -68.32,  57.73)    1.19                 3
 09/02/2018   20:54:49   (  68.15,-134.75) 09/02/2018   20:53:37  (  68.15,-134.83)    3.23                72
 09/05/2018   11:30:21   (  68.43,   6.03) 09/05/2018   11:31:08  (  68.41,   6.08)    3.03                47
 09/05/2018   12:21:02   ( -68.27, 173.55) 09/05/2018   12:20:39  ( -68.25, 173.52)    2.78                23
 09/05/2018   13:11:28   (  67.19, -17.82) 09/05/2018   13:10:22  (  67.24, -19.99)   93.84                66
 09/08/2018   02:56:49   ( -69.35, -46.77) 09/08/2018   02:57:56  ( -69.28, -44.59)   86.02                67
 09/08/2018   03:47:16   (  68.34, 121.91) 09/08/2018   03:47:38  (  68.34, 121.87)    1.78                22
 09/08/2018   04:37:58   ( -68.23, -70.63) 09/08/2018   04:37:08  ( -68.23, -70.62)    0.56                50