Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 11 15.  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)
 11/16/2018   10:39:44   (  68.42,  18.70) 11/16/2018   10:40:48  (  68.43,  18.70)    1.28                64
 11/16/2018   11:30:25   ( -68.30,-173.82) 11/16/2018   11:30:19  ( -68.28,-173.86)    2.90                 6
 11/16/2018   12:21:03   (  67.84,  -5.93) 11/16/2018   12:19:51  (  67.88,  -6.69)   31.93                72
 11/19/2018   02:56:37   (  68.35, 134.55) 11/19/2018   02:57:14  (  68.38, 134.52)    2.98                37
 11/19/2018   03:47:19   ( -68.28, -58.03) 11/19/2018   03:46:44  ( -68.28, -57.96)    2.75                35
 11/21/2018   18:22:57   ( -68.95,  82.22) 11/21/2018   18:24:07  ( -68.82,  83.32)   46.49                70
 11/21/2018   19:13:31   (  68.29,-109.60) 11/21/2018   19:13:41  (  68.31,-109.66)    3.56                10
 11/21/2018   20:04:13   ( -68.21,  57.82) 11/21/2018   20:03:11  ( -68.21,  57.85)    1.26                62
 11/24/2018   10:39:42   ( -68.41,-161.29) 11/24/2018   10:40:40  ( -68.41,-161.29)    0.62                58
 11/24/2018   11:30:26   (  68.28,   6.18) 11/24/2018   11:30:07  (  68.28,   6.20)    0.96                19
 11/24/2018   12:20:57   ( -67.61, 174.34) 11/24/2018   12:19:47  ( -67.63, 173.07)   53.73                70
 11/27/2018   02:56:36   ( -68.34, -45.44) 11/27/2018   02:57:06  ( -68.37, -45.44)    3.29                30
 11/27/2018   03:47:20   (  68.22, 122.02) 11/27/2018   03:46:33  (  68.24, 122.05)    2.58                47