Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 11 17.  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)
 11/18/2017   18:22:53   ( -68.48,  82.83) 11/18/2017   18:24:04  ( -68.48,  82.93)    4.33                71
 11/18/2017   19:13:36   (  68.30,-109.64) 11/18/2017   19:13:32  (  68.31,-109.63)    1.20                 4
 11/18/2017   20:04:16   ( -68.11,  57.92) 11/18/2017   20:03:03  ( -68.15,  57.81)    6.37                73
 11/21/2017   10:39:45   ( -68.39,-161.29) 11/21/2017   10:40:33  ( -68.39,-161.29)    0.67                48
 11/21/2017   11:30:29   (  68.27,   6.17) 11/21/2017   11:30:00  (  68.27,   6.21)    1.80                29
 11/21/2017   12:20:53   ( -67.21, 174.78) 11/21/2017   12:19:46  ( -67.27, 172.70)   89.73                67
 11/24/2017   02:06:12   (  69.26, 145.99) 11/24/2017   02:07:19  (  69.16, 147.93)   77.50                67
 11/24/2017   02:56:39   ( -68.36, -45.49) 11/24/2017   02:57:02  ( -68.33, -45.47)    3.15                23
 11/24/2017   03:47:22   (  68.19, 122.04) 11/24/2017   03:46:29  (  68.22, 122.03)    2.69                53
 11/26/2017   18:22:51   (  68.43, -97.13) 11/26/2017   18:24:00  (  68.42, -97.11)    1.11                69
 11/26/2017   19:13:32   ( -68.28,  70.39) 11/26/2017   19:13:31  ( -68.27,  70.34)    2.47                 1
 11/26/2017   20:04:13   (  68.01,-121.96) 11/26/2017   20:03:00  (  68.04,-122.29)   14.22                73
 11/29/2017   10:39:44   (  68.36,  18.74) 11/29/2017   10:40:29  (  68.34,  18.68)    2.90                45
 11/29/2017   11:30:26   ( -68.26,-173.81) 11/29/2017   11:29:59  ( -68.24,-173.80)    1.54                27