Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 11 13.  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)
 11/13/2017   10:39:49   (  68.40,  18.69) 11/13/2017   10:40:33  (  68.41,  18.73)    1.79                44
 11/13/2017   11:30:30   ( -68.27,-173.82) 11/13/2017   11:30:04  ( -68.25,-173.83)    2.01                26
 11/16/2017   02:06:15   ( -69.35, -34.13) 11/16/2017   02:07:22  ( -69.24, -31.99)   84.97                67
 11/16/2017   02:56:43   (  68.37, 134.50) 11/16/2017   02:57:03  (  68.35, 134.53)    2.66                20
 11/16/2017   03:47:24   ( -68.23, -58.00) 11/16/2017   03:46:33  ( -68.25, -57.96)    2.58                51
 11/18/2017   18:22:52   ( -68.46,  82.84) 11/18/2017   18:24:04  ( -68.46,  82.90)    2.43                72
 11/18/2017   19:13:35   (  68.29,-109.62) 11/18/2017   19:13:32  (  68.28,-109.66)    1.68                 3
 11/18/2017   20:04:16   ( -68.15,  57.88) 11/18/2017   20:03:02  ( -68.18,  57.85)    4.22                74
 11/21/2017   10:39:45   ( -68.38,-161.28) 11/21/2017   10:40:34  ( -68.39,-161.30)    1.41                49
 11/21/2017   11:30:29   (  68.26,   6.18) 11/21/2017   11:30:01  (  68.27,   6.20)    1.32                28
 11/21/2017   12:20:54   ( -67.26, 174.73) 11/21/2017   12:19:46  ( -67.33, 172.76)   85.08                68
 11/24/2017   02:06:13   (  69.31, 145.92) 11/24/2017   02:07:20  (  69.19, 147.97)   81.58                67
 11/24/2017   02:56:39   ( -68.35, -45.47) 11/24/2017   02:57:03  ( -68.37, -45.43)    2.83                24
 11/24/2017   03:47:22   (  68.19, 122.05) 11/24/2017   03:46:31  (  68.20, 122.00)    2.13                51
 11/26/2017   18:22:51   (  68.43, -97.12) 11/26/2017   18:24:02  (  68.45, -97.09)    2.63                71
 11/26/2017   19:13:32   ( -68.28,  70.39) 11/26/2017   19:13:33  ( -68.30,  70.36)    2.70                 1
 11/26/2017   20:04:14   (  68.06,-122.02) 11/26/2017   20:03:01  (  68.12,-122.21)   10.02                73