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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089033271191015 7.7006e-08  
a 3.014041554838608 3.3893e-08 AU
q 2.685802401441454 2.3789e-07 AU
i 9.350438851238085 8.5706e-06 deg
node 262.8023783988937 4.4504e-05 deg
peri 136.8030351812008 6.1115e-05 deg
M 45.69676743460585 3.7804e-05 deg
tp 2456557.891921023801
(2013-Sep-22.39192102)
0.00020121 JED
period 1911.271044640465
5.23
3.2238e-05
8.826e-08
d
yr
n .1883563302073258 3.1771e-09 deg/d
Q 3.342280708235763 3.7584e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      9192 days (25.17 yr)  
   first obs. used      1989-02-07  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53218  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:53:54  

Additional Information
 Earth MOID = 1.70254 AU 
 T_jup = 3.219 
[ 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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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 (809)
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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