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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2955779395287458 5.9581e-08  
a 2.396564583019181 1.3533e-08 AU
q 1.688192961622803 1.4288e-07 AU
i 8.012496334260181 7.3268e-06 deg
node 306.9419539594169 4.5834e-05 deg
peri 327.6949410419463 4.7003e-05 deg
M 301.204818506189 1.2983e-05 deg
tp 2457221.820359411234
(2015-Jul-18.32035941)
4.9919e-05 JED
period 1355.133658298702
3.71
1.1478e-05
3.143e-08
d
yr
n .2656564522587099 2.2502e-09 deg/d
Q 3.104936204415558 1.7533e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9465 days (25.91 yr)  
   first obs. used      1989-07-21  
   last obs. used      2015-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60144  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 14:06:42  

Additional Information
 Earth MOID = .679593 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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