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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2960838035329244 4.0444e-08  
a 2.396411318103903 7.7853e-09 au
q 1.686872740210351 9.4906e-08 au
i 8.014735592477704 5.23e-06 deg
node 306.9036204356343 2.9618e-05 deg
peri 327.6735920823004 3.0673e-05 deg
M 112.6433338429041 8.2069e-06 deg
tp 2458576.521860484881
(2019-Apr-03.02186048)
3.0143e-05 TDB
period 1355.003665270671
3.71
6.6031e-06
1.808e-08
d
yr
n .2656819381577743 1.2947e-09 deg/d
Q 3.105949895997455 1.009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      11088 days (30.36 yr)  
   first obs. used      1989-07-21  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52154  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:01:43  

Additional Information
 Earth MOID = .676907 au 
 Jupiter MOID = 2.06621 au 
 T_jup = 3.455 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456966.5 (2014-Nov-05.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2955748189162329 4.0402e-08  
q 1.688290424512844 9.4714e-08 au
tp 2457221.804144467029
(2015-Jul-18.30414447)
2.8806e-05 TDB
node 306.9421992052083 2.9626e-05 deg
peri 327.6843797909149 3.0687e-05 deg
i 8.01252574428506 5.2291e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      11088 days (30.36 yr)  
   first obs. used      1989-07-21  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52154  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:01:43  

Additional Information
 Jupiter MOID = 2.06621 au 
 T_jup = 3.455 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.632348919791563E-15 -3.821152521522003E-15 2.770703844657374E-13 -2.740068106698901E-15 2.267468085738162E-14 -3.702998844622898E-15
q -3.821152521522003E-15 8.970674976041177E-15 -6.469389970925404E-13 6.028155885964426E-15 -5.468304451749652E-14 8.396935625065096E-15
tp 2.770703844657374E-13 -6.469389970925404E-13 8.297709443107535E-10 1.366562438965481E-11 2.380761600790828E-10 -1.999484182561894E-12
node -2.740068106698901E-15 6.028155885964426E-15 1.366562438965481E-11 8.776963123573598E-10 -8.648362831268404E-10 3.114213764206259E-11
peri 2.267468085738162E-14 -5.468304451749652E-14 2.380761600790828E-10 -8.648362831268404E-10 9.417197186758906E-10 -3.148219094151645E-11
i -3.702998844622898E-15 8.396935625065096E-15 -1.999484182561894E-12 3.114213764206259E-11 -3.148219094151645E-11 2.734354413647284E-11

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 15.2   n/a MPO502664  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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