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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096694360270836 6.1473e-08  
a 3.015774953518347 3.1761e-08 AU
q 2.685036615181386 1.8716e-07 AU
i 9.341451494794155 7.3504e-06 deg
node 262.7619658888343 4.0806e-05 deg
peri 136.9797429351191 5.4987e-05 deg
M 83.14286259666173 3.4787e-05 deg
tp 2456558.706528157278
(2013-Sep-23.20652816)
0.00018471 JED
period 1912.920061881125
5.24
3.0219e-05
8.274e-08
d
yr
n .1881939591589539 2.973e-09 deg/d
Q 3.346513291855309 3.5244e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      11723 days (32.10 yr)  
   first obs. used      1982-12-23  
   last obs. used      2015-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52582  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:21:56  

Additional Information
 Earth MOID = 1.70262 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 LCDB (Rev. 2015-Feb); 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 (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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