Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 6.  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)
 10/07/2018   10:40:02   ( -69.38,-162.50) 10/07/2018   10:41:09  ( -69.27,-160.44)   82.09                67
 10/07/2018   11:30:30   (  68.40,   6.14) 10/07/2018   11:30:50  (  68.38,   6.09)    2.99                20
 10/07/2018   12:21:11   ( -68.27, 173.62) 10/07/2018   12:20:20  ( -68.27, 173.59)    1.50                51
 10/10/2018   02:56:40   ( -68.48, -45.51) 10/10/2018   02:57:51  ( -68.46, -45.57)    3.14                71
 10/10/2018   03:47:24   (  68.35, 121.96) 10/10/2018   03:47:18  (  68.34, 121.93)    1.63                 6
 10/10/2018   04:38:03   ( -68.11, -70.41) 10/10/2018   04:36:50  ( -68.13, -70.69)   11.94                73
 10/12/2018   19:13:34   ( -68.43,  70.32) 10/12/2018   19:14:19  ( -68.43,  70.27)    1.95                45
 10/12/2018   20:04:18   (  68.30,-122.21) 10/12/2018   20:03:46  (  68.31,-122.23)    1.00                32
 10/15/2018   10:39:57   (  69.11,  17.85) 10/15/2018   10:41:06  (  69.05,  19.29)   57.67                69
 10/15/2018   11:30:27   ( -68.38,-173.86) 10/15/2018   11:30:46  ( -68.40,-173.89)    1.92                19
 10/15/2018   12:21:11   (  68.26,  -6.39) 10/15/2018   12:20:13  (  68.27,  -6.39)    1.56                58
 10/18/2018   02:56:40   (  68.48, 134.47) 10/18/2018   02:57:44  (  68.46, 134.44)    2.64                64
 10/18/2018   03:47:21   ( -68.34, -58.03) 10/18/2018   03:47:14  ( -68.36, -58.05)    2.68                 7
 10/18/2018   04:37:58   (  67.84, 109.91) 10/18/2018   04:36:47  (  67.90, 109.06)   36.28                71