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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .250851494663451 5.5984e-08  
a 2.297310583599853 1.7284e-08 AU
q 1.721026789997665 1.3037e-07 AU
i 3.548420540203934 7.1416e-06 deg
node 271.3310060531363 0.00012773 deg
peri 33.32648355404329 0.00012852 deg
M 161.3966040488409 2.0686e-05 deg
tp 2456230.309616310618
(2012-Oct-29.80961631)
7.0144e-05 JED
period 1271.826872305568
3.48
1.4353e-05
3.93e-08
d
yr
n .2830573939261025 3.1945e-09 deg/d
Q 2.873594377202041 2.162e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      9316 days (25.51 yr)  
   first obs. used      1988-08-11  
   last obs. used      2014-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5535  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 06:49:27  

Additional Information
 Earth MOID = .706334 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 (413)
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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