Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 31.  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   02:56:37   (  68.42, 134.51) 11/03/2018   02:57:29  (  68.40, 134.44)    3.51                52
 11/03/2018   03:47:18   ( -68.30, -58.01) 11/03/2018   03:46:59  ( -68.29, -58.06)    1.80                19
 11/03/2018   04:37:47   (  67.35, 110.46) 11/03/2018   04:36:39  (  67.45, 108.62)   79.76                68
 11/05/2018   18:23:06   ( -69.49,  81.51) 11/05/2018   18:24:12  ( -69.42,  83.98)   96.97                66
 11/05/2018   19:13:32   (  68.39,-109.69) 11/05/2018   19:13:56  (  68.37,-109.71)    3.28                24
 11/05/2018   20:04:13   ( -68.27,  57.79) 11/05/2018   20:03:26  ( -68.26,  57.80)    0.61                47
 11/08/2018   10:39:43   ( -68.50,-161.38) 11/08/2018   10:40:55  ( -68.50,-161.31)    2.88                72
 11/08/2018   11:30:26   (  68.32,   6.17) 11/08/2018   11:30:23  (  68.32,   6.12)    1.96                 3
 11/08/2018   12:21:07   ( -68.19, 173.66) 11/08/2018   12:19:53  ( -68.22, 173.64)    4.04                74
 11/11/2018   02:56:37   ( -68.42, -45.51) 11/11/2018   02:57:22  ( -68.45, -45.48)    2.98                45
 11/11/2018   03:47:21   (  68.30, 121.96) 11/11/2018   03:46:50  (  68.27, 121.95)    3.37                31
 11/11/2018   04:37:44   ( -67.19, -69.37) 11/11/2018   04:36:37  ( -67.22, -71.61)   96.81                67
 11/13/2018   18:23:00   (  69.08, -97.94) 11/13/2018   18:24:09  (  68.98, -96.55)   56.14                69
 11/13/2018   19:13:31   ( -68.40,  70.28) 11/13/2018   19:13:48  ( -68.39,  70.34)    2.94                17
 11/13/2018   20:04:14   (  68.22,-122.18) 11/13/2018   20:03:16  (  68.20,-122.24)    3.46                58