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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089032786267792 6.8074e-08  
a 3.014041539523985 3.3105e-08 AU
q 2.685802533952518 2.1073e-07 AU
i 9.350431714354233 7.8091e-06 deg
node 262.8024153321422 4.1893e-05 deg
peri 136.8029612812661 5.7605e-05 deg
M 45.69680180391552 3.6134e-05 deg
tp 2456557.891740403245
(2013-Sep-22.39174040)
0.00019211 JED
period 1911.271030073448
5.23
3.1489e-05
8.621e-08
d
yr
n .1883563316429097 3.1032e-09 deg/d
Q 3.342280545095452 3.671e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      11430 days (31.29 yr)  
   first obs. used      1982-12-23  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5309  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:09:55  

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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