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8085 (1989 CD8)
Classification: Main-belt Asteroid          SPK-ID: 2008085
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1114826934452806 5.641e-08  
a 3.01086905599206 2.893e-08 au
q 2.675209264019016 1.6907e-07 au
i 9.340436954955463 6.3664e-06 deg
node 262.6055617420256 3.8792e-05 deg
peri 136.6276704562073 4.9698e-05 deg
M 196.6537719036725 3.1694e-05 deg
tp 2458466.350354180480
(2018-Dec-13.85035418)
0.00017226 JED
period 1908.254210321621
5.22
2.7503e-05
7.53e-08
d
yr
n .188654110156175 2.719e-09 deg/d
Q 3.346528847965105 3.2155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1070  
   data-arc span      12170 days (33.32 yr)  
   first obs. used      1982-12-23  
   last obs. used      2016-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50913  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:01:08  

Additional Information
 Earth MOID = 1.69164 au 
 Jupiter MOID = 2.05025 au 
 T_jup = 3.220 
[ 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 12.2 mag n/a MPO244255  
rotation period rot_per 7.75 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Shipley, H.; Dillard, A.; Kendall, J.; Reichert, M.; et al. (2008) Minor Planet Bul. 35, 99-101.]

8085 (1989 CD8)          Discovered 1989-Feb-07 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 CD8 = 1982 YO4 = 1994 AP3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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