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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2962851947241104 4.0478e-08  
a 2.3965014808784 7.8458e-09 au
q 1.686453572959725 9.5015e-08 au
i 8.014383734864087 5.2527e-06 deg
node 306.9071609337424 2.9628e-05 deg
peri 327.6480589101836 3.0682e-05 deg
M 6.372813482700465 8.0147e-06 deg
tp 2458576.512019533001
(2019-Apr-03.01201953)
3.0129e-05 TDB
period 1355.080137142253
3.71
6.6545e-06
1.822e-08
d
yr
n .2656669448046143 1.3046e-09 deg/d
Q 3.106549388797076 1.017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      11086 days (30.35 yr)  
   first obs. used      1989-07-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52328  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:14:49  

Additional Information
 Earth MOID = .675972 au 
 Jupiter MOID = 2.06419 au 
 T_jup = 3.455 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   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

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Alternate Designations
 1989 OC = 2000 JM79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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