Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 10 11.  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)
 10/12/2015   16:43:59   ( -69.17, 107.45) 10/12/2015   16:45:10  ( -69.02, 108.29)   37.47                71
 10/12/2015   17:34:36   (  68.66, -84.55) 10/12/2015   17:34:42  (  68.63, -84.54)    3.20                 6
 10/12/2015   18:25:17   ( -68.54,  82.93) 10/12/2015   18:24:12  ( -68.53,  82.96)    1.65                65
 10/15/2015   09:00:44   ( -68.76,-136.21) 10/15/2015   09:01:45  ( -68.77,-136.15)    3.42                61
 10/15/2015   09:51:28   (  68.62,  31.27) 10/15/2015   09:51:13  (  68.61,  31.29)    1.94                15
 10/15/2015   10:42:01   ( -68.07,-160.70) 10/15/2015   10:40:50  ( -68.12,-161.67)   40.81                71
 10/18/2015   01:17:37   ( -68.71, -20.39) 10/18/2015   01:18:18  ( -68.69, -20.39)    2.95                41
 10/18/2015   02:08:21   (  68.59, 147.08) 10/18/2015   02:07:45  (  68.58, 147.12)    2.10                36
 10/20/2015   16:44:01   (  69.46, -72.97) 10/20/2015   16:45:09  (  69.36, -71.29)   66.44                68
 10/20/2015   17:34:30   ( -68.67,  95.42) 10/20/2015   17:34:50  ( -68.65,  95.43)    3.27                20
 10/20/2015   18:25:14   (  68.55, -97.11) 10/20/2015   18:24:17  (  68.53, -97.07)    3.10                57
 10/23/2015   09:00:41   (  68.73,  43.80) 10/23/2015   09:01:51  (  68.75,  43.79)    2.04                70
 10/23/2015   09:51:23   ( -68.64,-148.76) 10/23/2015   09:51:21  ( -68.65,-148.70)    2.77                 2
 10/23/2015   10:42:03   (  68.31,  18.98) 10/23/2015   10:40:51  (  68.36,  18.60)   16.82                72