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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2510739924796523 5.5683e-08  
a 2.296742643999659 1.7303e-08 AU
q 1.720090298672392 1.3004e-07 AU
i 3.544764563843698 6.8338e-06 deg
node 271.2827382343091 0.00012663 deg
peri 33.52210256214339 0.00012741 deg
M 217.785504458684 2.0915e-05 deg
tp 2457502.736523727606
(2016-Apr-24.23652373)
7.6949e-05 JED
period 1271.355271160884
3.48
1.4367e-05
3.933e-08
d
yr
n .2831623922645016 3.1999e-09 deg/d
Q 2.873394989326926 2.1647e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      9693 days (26.54 yr)  
   first obs. used      1988-08-11  
   last obs. used      2015-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55893  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:21:56  

Additional Information
 Earth MOID = .707356 AU 
 T_jup = 3.549 
[ 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 15.8 mag n/a MPO236605  

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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