Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 30.  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)
 10/31/2018   10:39:48   (  68.75,  18.31) 10/31/2018   10:40:58  (  68.68,  18.90)   25.10                70
 10/31/2018   11:30:24   ( -68.36,-173.86) 10/31/2018   11:30:32  ( -68.33,-173.89)    3.05                 8
 10/31/2018   12:21:08   (  68.22,  -6.37) 10/31/2018   12:19:59  (  68.23,  -6.36)    1.66                69
 11/03/2018   02:56:38   (  68.45, 134.47) 11/03/2018   02:57:29  (  68.43, 134.49)    2.13                51
 11/03/2018   03:47:19   ( -68.32, -58.05) 11/03/2018   03:46:59  ( -68.32, -58.02)    1.44                20
 11/03/2018   04:37:48   (  67.38, 110.43) 11/03/2018   04:36:40  (  67.43, 108.60)   78.50                68
 11/05/2018   18:23:07   ( -69.52,  81.47) 11/05/2018   18:24:13  ( -69.40,  83.96)   98.14                66
 11/05/2018   19:13:32   (  68.37,-109.66) 11/05/2018   19:13:57  (  68.35,-109.72)    3.21                25
 11/05/2018   20:04:13   ( -68.24,  57.82) 11/05/2018   20:03:27  ( -68.24,  57.78)    1.91                46
 11/08/2018   10:39:43   ( -68.53,-161.41) 11/08/2018   10:40:55  ( -68.49,-161.31)    6.13                72
 11/08/2018   11:30:26   (  68.35,   6.13) 11/08/2018   11:30:23  (  68.32,   6.13)    2.90                 3
 11/08/2018   12:21:06   ( -68.16, 173.69) 11/08/2018   12:19:54  ( -68.16, 173.57)    5.00                72
 11/11/2018   02:56:36   ( -68.40, -45.48) 11/11/2018   02:57:23  ( -68.40, -45.53)    1.95                47
 11/11/2018   03:47:20   (  68.27, 121.99) 11/11/2018   03:46:50  (  68.29, 121.98)    1.49                30
 11/11/2018   04:37:44   ( -67.22, -69.40) 11/11/2018   04:36:37  ( -67.23, -71.60)   94.38                67