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5732 (1988 WC)
Classification: Mars-crossing Asteroid          SPK-ID: 2005732
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4039028449569361 6.576e-08  
a 2.222100797859458 1.0887e-08 AU
q 1.324587963822945 1.4588e-07 AU
i 22.47479933077878 9.968e-06 deg
node 240.6997895132345 2.009e-05 deg
peri 253.1403905936873 2.3649e-05 deg
M 276.0665164775883 1.6736e-05 deg
tp 2457282.582930800840
(2015-Sep-17.08293080)
5.799e-05 JED
period 1209.884909175571
3.31
8.8919e-06
2.434e-08
d
yr
n .2975489629383907 2.1868e-09 deg/d
Q 3.11961363189597 1.5285e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      21467 days (58.77 yr)  
   first obs. used      1955-12-15  
   last obs. used      2014-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .66589  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:05:03  

Additional Information
 Earth MOID = .498821 AU 
 T_jup = 3.446 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO231446  
rotation period rot_per 3.1 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Krugly, Yu.N.; Bel'skaya, I.N.; Shevchenko, V.G.; et al. (2002) Icarus 158, 294-304.]
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5732 (1988 WC)          Discovered 1988-Nov-29 by Arai and Mori at Yorii
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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