Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2014 3 17.  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)
 03/18/2014   08:11:04   (  68.75,  56.19) 03/18/2014   08:11:55  (  68.72,  56.16)    3.09                51
 03/18/2014   09:01:45   ( -68.60,-136.29) 03/18/2014   09:01:25  ( -68.63,-136.33)    3.26                20
 03/18/2014   09:52:14   (  67.67,  32.21) 03/18/2014   09:51:06  (  67.74,  30.26)   82.57                68
 03/21/2014   00:28:07   (  68.76, 171.93) 03/21/2014   00:28:42  (  68.76, 172.01)    2.86                35
 03/21/2014   01:18:48   ( -68.61, -20.55) 03/21/2014   01:18:13  ( -68.62, -20.54)    0.90                35
 03/23/2014   16:45:08   (  68.72, -72.27) 03/23/2014   16:45:39  (  68.73, -72.26)    0.72                31
 03/23/2014   17:35:49   ( -68.57,  95.25) 03/23/2014   17:35:10  ( -68.60,  95.20)    3.33                39
 03/26/2014   09:02:11   (  68.75,  43.45) 03/26/2014   09:02:46  (  68.75,  43.49)    1.48                35
 03/26/2014   09:52:52   ( -68.60,-149.03) 03/26/2014   09:52:17  ( -68.63,-149.04)    3.00                35
 03/29/2014   01:19:14   (  68.80, 159.15) 03/29/2014   01:20:03  (  68.77, 159.19)    3.15                49
 03/29/2014   02:09:55   ( -68.64, -33.33) 03/29/2014   02:09:34  ( -68.66, -33.33)    1.38                21
 03/29/2014   03:00:23   (  67.66, 135.24) 03/29/2014   02:59:16  (  67.73, 133.22)   85.53                67