Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 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)
 11/16/2017   02:06:14   ( -69.31, -34.08) 11/16/2017   02:07:22  ( -69.22, -32.02)   82.02                68
 11/16/2017   02:56:42   (  68.33, 134.55) 11/16/2017   02:57:03  (  68.33, 134.52)    1.36                21
 11/16/2017   03:47:23   ( -68.20, -57.96) 11/16/2017   03:46:33  ( -68.23, -57.98)    3.06                50
 11/18/2017   18:22:53   ( -68.48,  82.82) 11/18/2017   18:24:05  ( -68.44,  82.89)    4.92                72
 11/18/2017   19:13:36   (  68.30,-109.64) 11/18/2017   19:13:32  (  68.33,-109.61)    3.19                 4
 11/18/2017   20:04:16   ( -68.11,  57.92) 11/18/2017   20:03:04  ( -68.11,  57.77)    6.28                72
 11/21/2017   10:39:45   ( -68.39,-161.30) 11/21/2017   10:40:34  ( -68.38,-161.30)    1.00                49
 11/21/2017   11:30:29   (  68.28,   6.16) 11/21/2017   11:30:01  (  68.27,   6.20)    1.85                28
 11/21/2017   12:20:54   ( -67.27, 174.71) 11/21/2017   12:19:46  ( -67.33, 172.76)   84.30                68
 11/24/2017   02:06:13   (  69.31, 145.91) 11/24/2017   02:07:20  (  69.21, 147.98)   82.54                67
 11/24/2017   02:56:39   ( -68.36, -45.49) 11/24/2017   02:57:03  ( -68.38, -45.42)    3.42                24
 11/24/2017   03:47:22   (  68.19, 122.03) 11/24/2017   03:46:31  (  68.21, 122.01)    1.71                51
 11/26/2017   18:22:51   (  68.43, -97.13) 11/26/2017   18:24:03  (  68.42, -97.12)    1.17                72
 11/26/2017   19:13:32   ( -68.28,  70.39) 11/26/2017   19:13:34  ( -68.27,  70.32)    3.08                 2
 11/26/2017   20:04:14   (  68.06,-122.03) 11/26/2017   20:03:02  (  68.09,-122.24)    9.40                72