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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2905164349103827 7.2407e-08  
a 2.591488279191218 1.6189e-08 AU
q 1.838618343208543 1.9121e-07 AU
i 11.20636272421101 9.8544e-06 deg
node 178.348680446476 3.7703e-05 deg
peri 103.8013835876008 4.1183e-05 deg
M 331.4733955346844 1.5157e-05 deg
tp 2456921.245201331518
(2014-Sep-20.74520133)
6.4609e-05 JED
period 1523.780109623553
4.17
1.4279e-05
3.909e-08
d
yr
n .2362545604358474 2.2138e-09 deg/d
Q 3.344358215173893 2.0892e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      36916 days (101.07 yr)  
   first obs. used      1913-02-12  
   last obs. used      2014-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60895  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:47:00  

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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