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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110918418250486 5.8148e-08  
a 3.011952837536252 3.0523e-08 au
q 2.677349449324168 1.7434e-07 au
i 9.33802267585404 6.8151e-06 deg
node 262.6218901066953 4.0607e-05 deg
peri 136.6777799608654 5.347e-05 deg
M 158.8529849880451 3.3772e-05 deg
tp 2456558.012323511162
(2013-Sep-22.51232351)
0.00017759 JED
period 1909.284635468493
5.23
2.9023e-05
7.946e-08
d
yr
n .1885522950912264 2.8662e-09 deg/d
Q 3.346556225748336 3.3914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      11861 days (32.47 yr)  
   first obs. used      1982-12-23  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50807  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:58:29  

Additional Information
 Earth MOID = 1.694 au 
 Jupiter MOID = 2.05115 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. 2015-December); 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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