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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2954777807851624 7.7137e-08  
a 2.397788085273147 3.4077e-08 AU
q 1.689294983043534 1.719e-07 AU
i 8.012410509991691 7.8245e-06 deg
node 306.9422527664477 4.7469e-05 deg
peri 327.5945983853899 5.254e-05 deg
M 248.2011028299153 3.5081e-05 deg
tp 2457221.662448987519
(2015-Jul-18.16244899)
0.00014053 JED
period 1356.171531860843
3.71
2.8911e-05
7.915e-08
d
yr
n .2654531462594804 5.6589e-09 deg/d
Q 3.10628118750276 4.4146e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      9018 days (24.69 yr)  
   first obs. used      1989-07-21  
   last obs. used      2014-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60195  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 16:29:58  

Additional Information
 Earth MOID = .678883 AU 
 T_jup = 3.454 
[ 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 (413)
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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