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5573 (1981 QX)
Classification: Main-belt Asteroid          SPK-ID: 2005573
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2905164930865764 6.3153e-08  
a 2.591488256790197 1.6811e-08 AU
q 1.838618176552463 1.7126e-07 AU
i 11.20635514905941 7.0733e-06 deg
node 178.3486859754928 3.2068e-05 deg
peri 103.8013840599909 3.5928e-05 deg
M 331.4733977624411 1.19e-05 deg
tp 2456921.245190336446
(2014-Sep-20.74519034)
5.0625e-05 JED
period 1523.780089866048
4.17
1.4827e-05
4.059e-08
d
yr
n .2362545634991509 2.2989e-09 deg/d
Q 3.34435833702793 2.1695e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      21650 days (59.27 yr)  
   first obs. used      1955-03-24  
   last obs. used      2014-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56797  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:12:20  

Additional Information
 Earth MOID = .860949 AU 
 T_jup = 3.333 
[ 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 13.7 mag n/a MPO253402  
rotation period rot_per 10.685 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

5573 (1981 QX)          Discovered 1981-Aug-24 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 QX = 1989 KL = A913 CG 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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