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11478 (1985 CD)
Classification: Main-belt Asteroid          SPK-ID: 2011478
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271242202313246 7.6349e-08  
a 2.58036232423149 1.8939e-08 AU
q 2.252335775849273 2.0411e-07 AU
i 14.72586831262679 8.1084e-06 deg
node 151.6144657411853 2.2636e-05 deg
peri 55.04944031485692 3.6327e-05 deg
M 339.416170881592 2.8136e-05 deg
tp 2456887.065159216258
(2014-Aug-17.56515922)
0.00011861 JED
period 1513.977653943102
4.15
1.6668e-05
4.563e-08
d
yr
n .2377842229456904 2.6179e-09 deg/d
Q 2.908388872613706 2.1347e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1189  
   data-arc span      13116 days (35.91 yr)  
   first obs. used      1978-08-02  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46817  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:26:20  

Additional Information
 Earth MOID = 1.28477 AU 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO250326  

11478 (1985 CD)          Discovered 1985-Feb-14 by Suzuki, K., Urata, T. at Toyota (881)
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1985 CD = 1978 PP4 = 1998 KD54 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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