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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096694518293312 5.8659e-08  
a 3.015774946800366 3.0649e-08 AU
q 2.685036561544139 1.7628e-07 AU
i 9.341447733568907 6.9466e-06 deg
node 262.7619737330822 4.0554e-05 deg
peri 136.9797420264728 5.396e-05 deg
M 83.14285830268747 3.4244e-05 deg
tp 2456558.706552450244
(2013-Sep-23.20655245)
0.00018149 JED
period 1912.920055489254
5.24
2.9161e-05
7.984e-08
d
yr
n .1881939597877891 2.8689e-09 deg/d
Q 3.346513332056592 3.4011e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1008  
   data-arc span      11781 days (32.25 yr)  
   first obs. used      1982-12-23  
   last obs. used      2015-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51046  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:30:27  

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
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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