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85166 (1989 OC)
Classification: Main-belt Asteroid          SPK-ID: 2085166
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2957152265234939 5.9053e-08  
a 2.396784028111673 1.1917e-08 au
q 1.688018496310738 1.4221e-07 au
i 8.01217340098796 7.1786e-06 deg
node 306.9401009365257 4.4368e-05 deg
peri 327.7067836646983 4.5408e-05 deg
M 47.45626434889171 1.1193e-05 deg
tp 2457221.837738261475
(2015-Jul-18.33773826)
4.1557e-05 JED
period 1355.319789880828
3.71
1.0108e-05
2.767e-08
d
yr
n .2656199685770503 1.981e-09 deg/d
Q 3.105549559912609 1.5441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      9488 days (25.98 yr)  
   first obs. used      1989-07-21  
   last obs. used      2015-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60105  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 16:49:46  

Additional Information
 Earth MOID = .676478 au 
 Jupiter MOID = 2.05767 au 
 T_jup = 3.455 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1 mag n/a MPO280328  

85166 (1989 OC)          Discovered 1989-Jul-21 by McNaught, R. H. at Siding Spring
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1989 OC = 2000 JM79 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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