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46544 (1988 QO)
Classification: Main-belt Asteroid          SPK-ID: 2046544
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .251473235328995 5.5068e-08  
a 2.295708295025968 1.6559e-08 au
q 1.718399102704177 1.2914e-07 au
i 3.543981736337648 6.1773e-06 deg
node 271.2352814579602 0.00012485 deg
peri 33.70277077940703 0.00012561 deg
M 27.65028560017722 2.1877e-05 deg
tp 2457502.917800521049
(2016-Apr-24.41780052)
7.656e-05 JED
period 1270.496526524018
3.48
1.3746e-05
3.763e-08
d
yr
n .283353785299148 3.0658e-09 deg/d
Q 2.87301748734776 2.0724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      9725 days (26.63 yr)  
   first obs. used      1988-08-11  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56939  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:38:49  

Additional Information
 Earth MOID = .704221 au 
 Jupiter MOID = 2.37383 au 
 T_jup = 3.550 
[ 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 15.9 mag n/a MPO337630  

46544 (1988 QO)          Discovered 1988-Aug-19 by McNaught, R. H. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 QO = 1998 HY72 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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