Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 8 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)
 08/28/2018   11:30:15   ( -68.40,-173.92) 08/28/2018   11:31:11  ( -68.42,-173.91)    2.23                56
 08/28/2018   12:20:59   (  68.28,  -6.46) 08/28/2018   12:20:39  (  68.26,  -6.46)    3.03                20
 08/28/2018   13:11:29   ( -67.54, 161.78) 08/28/2018   13:10:19  ( -67.59, 160.40)   58.85                70
 08/31/2018   03:47:10   ( -68.35, -58.09) 08/31/2018   03:47:40  ( -68.35, -58.11)    0.88                30
 08/31/2018   04:37:54   (  68.24, 109.36) 08/31/2018   04:37:07  (  68.24, 109.40)    1.73                47
 09/02/2018   19:13:27   (  68.57,-109.93) 09/02/2018   19:14:38  (  68.51,-109.68)   12.54                71
 09/02/2018   20:04:06   ( -68.31,  57.73) 09/02/2018   20:04:10  ( -68.29,  57.69)    2.94                 4
 09/02/2018   20:54:50   (  68.20,-134.82) 09/02/2018   20:53:37  (  68.18,-134.80)    2.67                73
 09/05/2018   11:30:20   (  68.37,   6.10) 09/05/2018   11:31:09  (  68.39,   6.06)    2.94                49
 09/05/2018   12:21:02   ( -68.27, 173.55) 09/05/2018   12:20:39  ( -68.29, 173.57)    2.22                23
 09/05/2018   13:11:29   (  67.24, -17.88) 09/05/2018   13:10:22  (  67.28, -19.95)   89.08                67
 09/08/2018   02:56:50   ( -69.40, -46.83) 09/08/2018   02:57:57  ( -69.28, -44.59)   89.10                67
 09/08/2018   03:47:16   (  68.33, 121.92) 09/08/2018   03:47:39  (  68.34, 121.87)    2.07                23
 09/08/2018   04:37:58   ( -68.23, -70.63) 09/08/2018   04:37:09  ( -68.23, -70.62)    1.01                49