Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 6 16.  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)
 06/16/2016   18:23:30   (  68.91, -97.69) 06/16/2016   18:24:40  (  68.81, -96.82)   36.49                70
 06/16/2016   19:14:04   ( -68.41,  70.29) 06/16/2016   19:14:15  ( -68.42,  70.33)    2.06                11
 06/16/2016   20:04:48   (  68.27,-122.22) 06/16/2016   20:03:43  (  68.26,-122.22)    1.47                65
 06/19/2016   10:40:15   (  68.45,  18.69) 06/19/2016   10:41:15  (  68.47,  18.63)    3.40                60
 06/19/2016   11:30:57   ( -68.37,-173.89) 06/19/2016   11:30:45  ( -68.36,-173.87)    1.87                12
 06/19/2016   12:21:31   (  67.70,  -5.74) 06/19/2016   12:20:21  (  67.74,  -6.95)   51.24                70
 06/22/2016   02:57:10   (  68.47, 134.43) 06/22/2016   02:57:45  (  68.46, 134.49)    2.86                35
 06/22/2016   03:47:50   ( -68.29, -58.01) 06/22/2016   03:47:16  ( -68.30, -58.06)    2.79                34
 06/24/2016   18:23:31   ( -69.16,  81.97) 06/24/2016   18:24:40  ( -69.01,  83.42)   59.43                69
 06/24/2016   19:14:03   (  68.39,-109.69) 06/24/2016   19:14:16  (  68.40,-109.71)    1.02                13
 06/24/2016   20:04:44   ( -68.25,  57.80) 06/24/2016   20:03:47  ( -68.24,  57.74)    2.75                57
 06/27/2016   10:40:13   ( -68.48,-161.35) 06/27/2016   10:41:20  ( -68.46,-161.40)    3.37                67
 06/27/2016   11:30:57   (  68.36,   6.12) 06/27/2016   11:30:47  (  68.34,   6.10)    3.01                10
 06/27/2016   12:21:33   ( -67.95, 173.95) 06/27/2016   12:20:21  ( -68.02, 173.36)   26.01                72
 06/30/2016   02:57:06   ( -68.46, -45.54) 06/30/2016   02:57:49  ( -68.46, -45.52)    1.04                43
 06/30/2016   03:47:50   (  68.34, 121.92) 06/30/2016   03:47:16  (  68.34, 121.97)    2.25                34