Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 11 2.  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)
 11/03/2018   02:56:38   (  68.43, 134.50) 11/03/2018   02:57:30  (  68.41, 134.47)    2.55                52
 11/03/2018   03:47:19   ( -68.30, -58.02) 11/03/2018   03:47:00  ( -68.30, -58.03)    0.93                19
 11/03/2018   04:37:48   (  67.41, 110.39) 11/03/2018   04:36:39  (  67.46, 108.65)   74.58                69
 11/05/2018   19:13:32   (  68.40,-109.70) 11/05/2018   19:13:56  (  68.40,-109.64)    2.40                24
 11/05/2018   20:04:12   ( -68.22,  57.85) 11/05/2018   20:03:27  ( -68.24,  57.79)    3.13                45
 11/08/2018   10:39:44   ( -68.56,-161.45) 11/08/2018   10:40:56  ( -68.52,-161.26)    9.22                72
 11/08/2018   11:30:26   (  68.32,   6.17) 11/08/2018   11:30:24  (  68.34,   6.18)    2.73                 2
 11/08/2018   12:21:07   ( -68.19, 173.65) 11/08/2018   12:19:55  ( -68.19, 173.62)    1.38                72
 11/11/2018   02:56:37   ( -68.43, -45.51) 11/11/2018   02:57:25  ( -68.41, -45.50)    1.59                48
 11/11/2018   03:47:21   (  68.30, 121.96) 11/11/2018   03:46:52  (  68.29, 122.00)    1.78                29
 11/11/2018   04:37:45   ( -67.25, -69.43) 11/11/2018   04:36:38  ( -67.30, -71.51)   89.23                67
 11/13/2018   18:23:03   (  69.18, -98.08) 11/13/2018   18:24:12  (  69.08, -96.41)   67.31                69
 11/13/2018   19:13:31   ( -68.35,  70.35) 11/13/2018   19:13:53  ( -68.37,  70.34)    2.36                22
 11/13/2018   20:04:15   (  68.22,-122.18) 11/13/2018   20:03:20  (  68.24,-122.17)    2.52                55