Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 6 18.  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)
 06/19/2016   10:40:17   (  68.51,  18.61) 06/19/2016   10:41:15  (  68.49,  18.66)    2.83                58
 06/19/2016   11:30:56   ( -68.33,-173.84) 06/19/2016   11:30:45  ( -68.33,-173.90)    2.58                11
 06/19/2016   12:21:31   (  67.71,  -5.75) 06/19/2016   12:20:21  (  67.71,  -6.98)   51.84                70
 06/22/2016   02:57:09   (  68.43, 134.49) 06/22/2016   02:57:45  (  68.41, 134.43)    3.36                36
 06/22/2016   03:47:50   ( -68.30, -58.02) 06/22/2016   03:47:15  ( -68.30, -58.06)    1.36                35
 06/24/2016   18:23:29   ( -69.06,  82.10) 06/24/2016   18:24:39  ( -68.98,  83.39)   51.92                70
 06/24/2016   19:14:03   (  68.40,-109.70) 06/24/2016   19:14:14  (  68.42,-109.67)    2.79                11
 06/24/2016   20:04:44   ( -68.27,  57.79) 06/24/2016   20:03:45  ( -68.27,  57.78)    0.23                59
 06/27/2016   10:40:13   ( -68.50,-161.37) 06/27/2016   10:41:17  ( -68.50,-161.34)    1.23                64
 06/27/2016   11:30:57   (  68.38,   6.10) 06/27/2016   11:30:44  (  68.38,   6.16)    2.37                13
 06/27/2016   12:21:32   ( -67.92, 174.00) 06/27/2016   12:20:20  ( -67.95, 173.28)   30.27                72
 06/30/2016   02:57:06   ( -68.42, -45.49) 06/30/2016   02:57:47  ( -68.45, -45.52)    3.20                41
 06/30/2016   03:47:49   (  68.30, 121.97) 06/30/2016   03:47:13  (  68.32, 121.97)    2.09                36