Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 12 20.  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)
 12/21/2015   01:17:04   ( -68.64, -20.40) 12/21/2015   01:18:12  ( -68.63, -20.43)    1.51                68
 12/21/2015   02:07:48   (  68.52, 147.06) 12/21/2015   02:07:39  (  68.53, 147.09)    1.51                 9
 12/21/2015   02:58:25   ( -68.16, -45.16) 12/21/2015   02:57:12  ( -68.26, -45.61)   21.02                73
 12/23/2015   17:33:57   ( -68.62,  95.40) 12/23/2015   17:34:52  ( -68.60,  95.37)    1.89                55
 12/23/2015   18:24:41   (  68.50, -97.14) 12/23/2015   18:24:19  (  68.50, -97.11)    1.40                22
 12/23/2015   19:15:10   ( -67.71,  71.17) 12/23/2015   19:14:01  ( -67.74,  69.62)   65.55                69
 12/26/2015   09:50:50   ( -68.60,-148.81) 12/26/2015   09:51:38  ( -68.58,-148.85)    2.76                48
 12/26/2015   10:41:34   (  68.48,  18.66) 12/26/2015   10:41:05  (  68.48,  18.68)    0.89                29
 12/26/2015   11:31:58   ( -67.42,-172.71) 12/26/2015   11:30:51  ( -67.50,-174.84)   91.22                67
 12/29/2015   02:07:43   ( -68.59, -33.02) 12/29/2015   02:08:29  ( -68.62, -33.02)    3.18                46
 12/29/2015   02:58:27   (  68.47, 134.44) 12/29/2015   02:57:57  (  68.46, 134.44)    0.80                30
 12/29/2015   03:48:51   ( -67.41, -56.92) 12/29/2015   03:47:44  ( -67.43, -59.13)   94.36                67
 12/31/2015   18:24:35   ( -68.58,  82.76) 12/31/2015   18:25:26  ( -68.60,  82.72)    2.81                51
 12/31/2015   19:15:19   (  68.46,-109.78) 12/31/2015   19:14:54  (  68.45,-109.82)    2.40                25
 12/31/2015   20:05:46   ( -67.57,  58.66) 12/31/2015   20:04:38  ( -67.59,  56.80)   78.90                68