Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 11 22.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/23/2013   17:33:06   (  68.63, -84.71) (  68.62, -84.57)    5.74                71
 11/23/2013   18:23:46   ( -68.43,  82.86) ( -68.46,  82.86)    3.18                 2
 11/23/2013   19:14:29   (  68.25,-109.59) (  68.30,-109.69)    6.63                73
 11/26/2013   09:50:05   (  68.56,  31.13) (  68.54,  31.19)    3.36                45
 11/26/2013   10:40:46   ( -68.42,-161.36) ( -68.43,-161.30)    2.87                26
 11/29/2013   01:16:34   ( -69.43, -21.61) ( -69.34, -19.56)   81.07                67
 11/29/2013   02:07:02   (  68.46, 147.03) (  68.46, 146.96)    2.83                20
 11/29/2013   02:57:44   ( -68.37, -45.53) ( -68.35, -45.53)    1.49                52
 12/01/2013   17:33:18   ( -68.60,  95.30) ( -68.60,  95.36)    2.57                68
 12/01/2013   18:24:01   (  68.43, -97.16) (  68.43, -97.20)    1.47                 7
 12/01/2013   19:14:39   ( -68.12,  70.55) ( -68.16,  70.11)   18.82                72
 12/04/2013   09:50:16   ( -68.54,-148.85) ( -68.52,-148.86)    1.74                43
 12/04/2013   10:41:00   (  68.42,  18.62) (  68.41,  18.64)    1.33                34