Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 11 29.  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)
 11/29/2017   10:39:43   (  68.35,  18.74) 11/29/2017   10:40:30  (  68.35,  18.68)    2.54                47
 11/29/2017   11:30:25   ( -68.27,-173.83) 11/29/2017   11:30:00  ( -68.24,-173.82)    2.98                25
 11/29/2017   12:20:50   (  67.12,  -5.12) 11/29/2017   12:19:44  (  67.18,  -7.39)   98.15                66
 12/02/2017   02:06:10   ( -69.36, -34.16) 12/02/2017   02:07:17  ( -69.24, -31.96)   87.62                67
 12/02/2017   02:56:37   (  68.34, 134.53) 12/02/2017   02:56:58  (  68.35, 134.57)    2.23                21
 12/02/2017   03:47:18   ( -68.19, -57.96) 12/02/2017   03:46:29  ( -68.19, -57.99)    1.15                49
 12/04/2017   18:22:48   ( -68.49,  82.80) 12/04/2017   18:23:59  ( -68.46,  82.95)    7.01                71
 12/04/2017   19:13:30   (  68.27,-109.61) 12/04/2017   19:13:27  (  68.29,-109.61)    2.05                 3
 12/04/2017   20:04:11   ( -68.13,  57.90) 12/04/2017   20:02:58  ( -68.13,  57.83)    2.93                73
 12/07/2017   10:39:40   ( -68.37,-161.28) 12/07/2017   10:40:28  ( -68.40,-161.25)    2.69                48
 12/07/2017   11:30:23   (  68.21,   6.24) 12/07/2017   11:29:56  (  68.22,   6.19)    2.46                27
 12/07/2017   12:20:49   ( -67.25, 174.73) 12/07/2017   12:19:41  ( -67.28, 172.74)   85.50                68
 12/10/2017   02:06:06   (  69.27, 145.97) 12/10/2017   02:07:13  (  69.14, 147.95)   79.36                67
 12/10/2017   02:56:32   ( -68.31, -45.42) 12/10/2017   02:56:56  ( -68.32, -45.45)    1.54                24
 12/10/2017   03:47:16   (  68.21, 122.02) 12/10/2017   03:46:23  (  68.20, 122.05)    1.39                53
 12/12/2017   18:22:44   (  68.41, -97.10) 12/12/2017   18:23:54  (  68.39, -97.11)    2.31                70
 12/12/2017   19:13:26   ( -68.30,  70.36) 12/12/2017   19:13:24  ( -68.29,  70.40)    2.42                 2
 12/12/2017   20:04:06   (  67.99,-121.93) 12/12/2017   20:02:53  (  68.06,-122.23)   14.69                73