Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 10 3.  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)
 10/04/2017   10:39:50   ( -68.45,-161.28) 10/04/2017   10:40:43  ( -68.45,-161.34)    2.40                53
 10/04/2017   11:30:34   (  68.31,   6.21) 10/04/2017   11:30:10  (  68.34,   6.17)    3.21                24
 10/04/2017   12:21:02   ( -67.48, 174.55) 10/04/2017   12:19:53  ( -67.50, 172.84)   72.72                69
 10/07/2017   02:06:20   (  69.41, 145.86) 10/07/2017   02:07:27  (  69.32, 148.01)   84.85                67
 10/07/2017   02:56:45   ( -68.42, -45.48) 10/07/2017   02:57:11  ( -68.44, -45.47)    1.84                26
 10/07/2017   03:47:29   (  68.29, 122.00) 10/07/2017   03:46:39  (  68.26, 121.97)    2.65                50
 10/09/2017   18:22:59   (  68.53, -97.17) 10/09/2017   18:24:09  (  68.52, -97.12)    2.37                70
 10/09/2017   19:13:39   ( -68.34,  70.38) 10/09/2017   19:13:40  ( -68.36,  70.32)    3.33                 1
 10/09/2017   20:04:21   (  68.10,-122.00) 10/09/2017   20:03:09  (  68.13,-122.31)   13.09                72
 10/12/2017   10:39:53   (  68.45,  18.69) 10/12/2017   10:40:38  (  68.44,  18.66)    2.10                45
 10/12/2017   11:30:34   ( -68.32,-173.82) 10/12/2017   11:30:08  ( -68.34,-173.83)    1.71                26
 10/15/2017   02:06:17   ( -69.31, -34.02) 10/15/2017   02:07:25  ( -69.24, -32.08)   76.48                68
 10/15/2017   02:56:46   (  68.38, 134.54) 10/15/2017   02:57:05  (  68.40, 134.50)    2.69                19
 10/15/2017   03:47:28   ( -68.30, -58.03) 10/15/2017   03:46:35  ( -68.30, -57.98)    2.14                53