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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271242454669524 7.1725e-08  
a 2.580362308711444 1.3996e-08 AU
q 2.252335697185138 1.8745e-07 AU
i 14.72587150071257 8.4437e-06 deg
node 151.6144498015327 2.3027e-05 deg
peri 55.04942122695297 3.7601e-05 deg
M 339.4162126074621 2.902e-05 deg
tp 2456887.064982957393
(2014-Aug-17.56498296)
0.0001222 JED
period 1513.977640283973
4.15
1.2318e-05
3.372e-08
d
yr
n .2377842250909833 1.9346e-09 deg/d
Q 2.90838892023775 1.5775e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      13033 days (35.68 yr)  
   first obs. used      1978-08-02  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49766  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:00:31  

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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